
SIM808
SIMCom Wireless Solutions
-40℃~+85℃ 1.07mA 3.4V~4.4V GPRS、GSM I2C、USB、UART、GPIO、ADC、PWM PCM voice function、DTMF function、Audio playback and recording function、CMUX function、Noise suppression function、USSD function SMD,24x24mm 2G/3G/4G/5G Modules ROHS
- Category
- 2G, 3G, 4G, 5G Modules
- Package
- SMD,24x24mm
- Pins
- 68
Overview
The SIM808 is a 2G, 3G, 4G, 5G Module made by SIMCom Wireless Solutions in a SMD,24x24mm package with 68 pins. -40℃~+85℃ 1.07mA 3.4V~4.4V GPRS、GSM I2C、USB、UART、GPIO、ADC、PWM PCM voice function、DTMF function、Audio playback and recording function、CMUX function、Noise suppression function、USSD function SMD,24x24mm 2G/3G/4G/5G Modules ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SIM808, from EasyEDA) and its footprint (EasyEDA_Cloud:GSM-SMD_68P-L24.0-W24.0-P1.00-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C126275). 19 open-source boards in 17 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
17- Supply, least
- 3.4 V · VBAT, recommended operating min · p. 58
- Supply, most
- 4.4 V · VBAT, recommended operating max · p. 58
- Supply, absolute maximum
- 4.5 V · VBAT, absolute max · p. 58
- Supply, least
- 1.2 V · VRTC, input voltage min · p. 59
- Supply, most
- 3 V · VRTC, input voltage max · p. 59
- Works from
- -40 °C · Operating temperature min · p. 58
- Works up to
- 85 °C · Operating temperature max · p. 58
- Takes working
- 16.8 mA · Typical GSM idle, EGSM900, VBAT = 4 V, GNSS powered down · p. 60
- Takes at most
- 2 A · Max during TX burst · p. 60
- Takes asleep
- 1.073 mA · Typical sleep, AT+CFUN=1, BS-PA-MFRMS=9, GNSS powered down · p. 60
- Takes asleep
- 134 µA · Typical power off, VBAT = 4 V, GNSS powered down · p. 60
- Supply, least
- 4.3 V · VCHG, charger input min · p. 36
- Supply, most
- 7 V · VCHG, charger input max · p. 36
- Supply, absolute maximum
- 12 V · VCHG, absolute max · p. 58
- Takes asleep
- 1.167 mA · VBAT, sleep typical; BS-PA-MFRMS=5, AT+CFUN=1 · p. 60
- Takes asleep
- 1.627 mA · VBAT, sleep typical; BS-PA-MFRMS=2, AT+CFUN=1 · p. 60
- Data rate, most
- 460.8 kbit/s · Serial port baud rate max · p. 33
What it is and has
38- Package
- 68 SMT pads · p. 10
- Dimensions
- 24*24*2.6mm · p. 11
- Weight
- 3.3g · p. 11
- GSM bands
- GSM 850, EGSM 900, DCS 1800, PCS 1900 · p. 11
- GPRS
- Multi-slot class 12 default · p. 11
- GPRS coding
- CS-1, CS-2, CS-3 and CS-4 · p. 11
- GPRS downlink
- 85.6 kbps maximum · p. 11
- GPRS uplink
- 85.6 kbps maximum · p. 11
- UART
- 1 full modem serial port · p. 10
- UART baud rate
- 1200bps to 460800bps · p. 11
- USB
- 1, debug and firmware upgrading · p. 10
- Audio
- Microphone input and receiver output · p. 10
- SIM interface
- 1 · p. 10
- SIM voltage
- 1.8V, 3V · p. 11
- Charging
- Li-ion battery charging control · p. 10
- GPIO
- Programmable general purpose input and output · p. 10
- Bluetooth
- Supported · p. 10
- GNSS
- Supported · p. 10
- PWM and ADC
- 2 PWMs and 2 ADCs · p. 10
- PCM
- Audio interface · p. 10
- Keypad
- 4*4 by default · p. 10
- RTC
- Supported · p. 11
- Firmware upgrade
- Serial port or USB; USB recommended · p. 11
- Battery charging
- Integrated Li-ion battery charging control · p. 29
- Protection
- Automatic power off on under-voltage · p. 29
- Serial port
- 1 unbalanced asynchronous serial port, DCE · p. 33
- USB
- Software debug and firmware upgrade; no AT commands by default · p. 36
- SIM card
- 1.8 V and 3.0 V; FAST 64 kbps · p. 41
- PCM
- Master only, 16-bit linear data · p. 44
- I2C
- 1 interface, master or slave · p. 47
- GPIO
- 2 pins · p. 47
- ADC channels
- 2 auxiliary ADCs · p. 48
- ADC resolution
- 10 bits · p. 48
- PWM frequency
- 200 Hz to 100 kHz · p. 48
- GNSS operating modes
- Active and power down · p. 52
- 1PPS
- Pulse-per-second output after positioning · p. 52
- Antenna ports
- GSM_ANT, BT_ANT, GPS_ANT · p. 52
- Antenna impedance
- 50Ω on all antenna ports · p. 52
Around it
13- cap 100 µF
- between VBAT and GND; Low ESR decoupling; place close to VBAT pins. · p. 21
- cap 33PF
- between VBAT and GND; Suppress high frequency interference; place close to VBAT pins. · p. 21
- cap 10PF
- between VBAT and GND; Suppress high frequency interference; place close to VBAT pins. · p. 21
- diode 5.1V/500mW
- between VBAT and GND; Strongly recommended Zener diode for voltage surge protection; place close to VBAT pins. · p. 21
- cap 100µF
- between VBAT and GND; CA in transmit-burst test circuit; tantalum, ESR=0.7Ω. · p. 22
- cap 1µF
- between VBAT and GND; CB in transmit-burst test circuit. · p. 22
- res 100ohm
- between UART lines and External UART; Suggested series resistors on UART lines for ESD consideration. · p. 61
- res less than 1KΩ
- between KBCx and Keypad; Series resistor to enhance keypad ESD performance. · p. 46
- res 0Ω
- between GSM_ANT and GSM antenna; R101 matching resistor; tune to the antenna. C101 and C102 normally unmounted. · p. 53
- res 0Ω
- between BT_ANT and Bluetooth antenna; R201 matching resistor; tune to the antenna. C201 and C202 normally unmounted. · p. 54
- res 0Ω
- between GPS_ANT and GNSS antenna; R101 matching resistor; tune to the antenna. C101 and C102 normally unmounted. · p. 55
- ind no less than 27nH
- between VCC_ANT bias path and GNSS active antenna RF feed; L101 supplies active-antenna bias and blocks RF leakage into the supply. · p. 55
- res 10Ω
- between VCC_ANT and L101; R102 protects the active-antenna supply circuit against an antenna short to ground. · p. 55
Specifications
251| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Velocity Accuracy(2) | Without Aid; 50% at 30m/s | typ 0.1 m/s | 12 |
| Velocity Accuracy(2) | DGPS; 50% at 30m/s | typ 0.05 m/s | 12 |
| Acceleration Accuracy | Without Aid | typ 0.1 m/s2 | 12 |
| Acceleration Accuracy | DGPS | typ 0.05 m/s2 | 12 |
| Timing Accuracy | typ 10 ns | 12 | |
| Dynamic Performance | Maximum Altitude | max 18000 m | 12 |
| Dynamic Performance | Maximum Velocity | max 515 m/s | 12 |
| Dynamic Performance | Maximum Acceleration | max 4 G | 12 |
| Time To First Fix | Hot start; GNSS signal level: -130dBm | typ 1 s | 12 |
| Time To First Fix | Warm start; GNSS signal level: -130dBm | typ 28 s | 12 |
| Time To First Fix | Cold start; GNSS signal level: -130dBm | typ 30 s | 12 |
| Sensitivity | Autonomous acquisition(cold start) | typ -148 dBm | 12 |
| Sensitivity | Re-acquisition | typ -159 dBm | 12 |
| Sensitivity | Tracking | typ -165 dBm | 12 |
| Receiver | Update rate | max 5 Hz | 12 |
| Power consumption(4) | Acquisition; Single Power supply 3.8V@-130dBm,GSM IDLE | typ 42 mA | 12 |
| Power consumption(4) | Continuous tracking; Single Power supply 3.8V@-130dBm,GSM IDLE | typ 24 mA | 12 |
| Frequency Range | min 2402 · max 2480 MHz | 12 | |
| Maximum Transmit Power | typ 7 dBm | 12 | |
| Gain Step | typ 4 dB | 12 | |
| Receiver Sensitivity | DH1 (BER<0.1%) | typ -91.4 dBm | 12 |
| Receiver Sensitivity | DH5 (BER<0.1%) | typ -91.4 dBm | 12 |
| EDR Receiver Sensitivity | 2-DH5 | typ -92 dBm | 12 |
| EDR Receiver Sensitivity | 3-DH5 | typ -88 dBm | 12 |
| RESET VIH | min 1.2 · typ 1.8 · max 3.3 V | 27 | |
| RESET VIL | max 0.6 V | 27 | |
| RESET Tpull down | min 105 ms | 27 | |
| VBAT VBAT | Non-operating stress rating | max 4.5 V | 58 |
| Peak Current | Non-operating stress rating | min 0 · max 2 A | 58 |
| VCHG VCHG | Non-operating stress rating | max 12 V | 58 |
| II* II* | Digital interface pins: keypad, GPIO, I2C, UART, PWM and PCM | typ 4 mA | 58 |
| IO* IO* | Digital interface pins: keypad, GPIO, I2C, UART, PWM and PCM | typ 4 mA | 58 |
| Power supply voltage VBAT | min 3.4 · typ 4 · max 4.4 V | 58 | |
| Operating temperature TOPER | min -40 · typ 25 · max 85 ℃ | 58 | |
| Storage temperature TSTG | min -45 · max 90 ℃ | 58 | |
| High-level input voltage VIH | Digital interface pins: keypad, GPIO, I2C, UART, PWMs and DEBUG | min 2.1 · max 3 V | 58 |
| Low-level input voltage VIL | Digital interface pins: keypad, GPIO, I2C, UART, PWMs and DEBUG | min -0.3 · max 0.7 V | 58 |
| High-level output voltage VOH | Digital interface pins: keypad, GPIO, I2C, UART, PWMs and DEBUG | min 2.4 · typ 2.8 V | 58 |
| Low-level output voltage VOL | Digital interface pins: keypad, GPIO, I2C, UART, PWMs and DEBUG | max 0.4 V | 58 |
| High-level input current IIH | min -1 · max 1 uA | 59 | |
| Low-level input current IIL | min -1 · max 1 uA | 59 | |
| High-level input voltage VIH | First listed voltage condition; supply not labeled in table | min 1.4 V | 59 |
| High-level input voltage VIH | Second listed voltage condition; supply not labeled in table | min 2.4 V | 59 |
| Low-level input voltage VIL | First listed voltage condition; supply not labeled in table | max 0.27 V | 59 |
| Low-level input voltage VIL | Second listed voltage condition; supply not labeled in table | max 0.4 V | 59 |
| High-level output voltage VOH | First listed voltage condition; supply not labeled in table | min 1.62 V | 59 |
| High-level output voltage VOH | Second listed voltage condition; supply not labeled in table | min 2.7 V | 59 |
| Low-level output voltage VOL | First listed voltage condition; supply not labeled in table | max 0.36 V | 59 |
| Low-level output voltage VOL | Second listed voltage condition; supply not labeled in table | max 0.4 V | 59 |
| Output voltage VO | 3 V mode | typ 3 V | 59 |
| Output voltage VO | 1.8 V mode | typ 1.8 V | 59 |
| Output current IO | max 10 mA | 59 | |
| Output voltage VO | min 2.7 · typ 2.8 · max 2.95 V | 59 | |
| Output current IO | max 50 mA | 59 | |
| VRTC input voltage VRTC-IN | min 1.2 · typ 2.8 · max 3 V | 59 | |
| VRTC input current IRTC-IN | typ 3 · max 5 uA | 59 | |
| VRTC output voltage VRTC-OUT | typ 2.8 V | 60 | |
| VRTC output current IRTC-OUT | max 2 mA | 60 | |
| Voltage VBAT | GNSS engine is powered down | min 3.4 · typ 4 · max 4.4 V | 60 |
| Voltage drop | VBAT = 4V, GNSS engine is powered down; PCL=5 | max 350 mV | 60 |
| Voltage ripple | VBAT = 4V, GNSS engine is powered down; PCL=5; f<200kHz | max 50 mV | 60 |
| Voltage ripple | VBAT = 4V, GNSS engine is powered down; PCL=5; f>200kHz | max 2 mV | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Power off mode | typ 134 · max 150 uA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Sleep mode (AT+CFUN=1); BS-PA-MFRMS=9 | typ 1.073 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Sleep mode (AT+CFUN=1); BS-PA-MFRMS=5 | typ 1.167 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Sleep mode (AT+CFUN=1); BS-PA-MFRMS=2 | typ 1.627 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Idle mode (AT+CFUN=1); EGSM900 | typ 16.8 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Voice call (PCL=5); GSM850 | typ 216.6 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Voice call (PCL=5); EGSM900 | typ 221.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Voice call (PCL=0); DCS1800 | typ 140.3 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Voice call (PCL=0); PCS1900 | typ 155 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (1Rx,4Tx); GSM850 | typ 445.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (1Rx,4Tx); EGSM900 | typ 433.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (1Rx,4Tx); DCS1800 | typ 287.1 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (1Rx,4Tx); PCS1900 | typ 296.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (3Rx,2Tx); GSM850 | typ 332.9 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (3Rx,2Tx); EGSM900 | typ 333.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (3Rx,2Tx); DCS1800 | typ 222 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (3Rx,2Tx); PCS1900 | typ 229.8 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (4Rx,1Tx); GSM850 | typ 222.6 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (4Rx,1Tx); EGSM900 | typ 224.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (4Rx,1Tx); DCS1800 | typ 158.4 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine is powered down; Data mode GPRS (4Rx,1Tx); PCS1900 | typ 165.2 mA | 60 |
| Peak current IMAX | VBAT = 4V, GNSS engine is powered down; During TX burst | max 2 A | 60 |
| VBAT | Contact discharge; ±5KV | min -5 · max 5 KV | 61 |
| VBAT | Air discharge; ±10KV | min -10 · max 10 KV | 61 |
| GND | Contact discharge; ±5KV | min -5 · max 5 KV | 61 |
| GND | Air discharge; ±10KV | min -10 · max 10 KV | 61 |
| RXD, TXD | Contact discharge; ±2KV | min -2 · max 2 KV | 61 |
| RXD, TXD | Air discharge; ±8KV | min -8 · max 8 KV | 61 |
| Antenna port | Contact discharge; ±5KV | min -5 · max 5 KV | 61 |
| Antenna port | Air discharge; ±10KV | min -10 · max 10 KV | 61 |
| SPK1P/ SPK1N, MIC1P/ MIC1N | Contact discharge; ±4KV | min -4 · max 4 KV | 61 |
| SPK1P/ SPK1N, MIC1P/ MIC1N | Air discharge; ±8KV | min -8 · max 8 KV | 61 |
| PWRKEY | Contact discharge; ±4KV | min -4 · max 4 KV | 61 |
| PWRKEY | Air discharge; ±8KV | min -8 · max 8 KV | 61 |
| Nominal output power | PCL 0-2; Normal tolerance ±2 dB; Extreme tolerance ±2.5 dB; nominal value | typ 39 dBm | 61 |
| Nominal output power | PCL 3; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 37 dBm | 61 |
| Nominal output power | PCL 4; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 35 dBm | 61 |
| Nominal output power | PCL 5; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 33 dBm | 61 |
| Nominal output power | PCL 6; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 31 dBm | 61 |
| Nominal output power | PCL 7; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 29 dBm | 61 |
| Nominal output power | PCL 8; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 27 dBm | 61 |
| Nominal output power | PCL 9; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 25 dBm | 61 |
| Nominal output power | PCL 10; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 23 dBm | 61 |
| Nominal output power | PCL 11; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 21 dBm | 61 |
| Nominal output power | PCL 12; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 19 dBm | 61 |
| Nominal output power | PCL 13; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 17 dBm | 61 |
| Nominal output power | PCL 14; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 15 dBm | 62 |
| Nominal output power | PCL 15; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 13 dBm | 62 |
| Nominal output power | PCL 16; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 11 dBm | 62 |
| Nominal output power | PCL 17; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 9 dBm | 62 |
| Nominal output power | PCL 18; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 7 dBm | 62 |
| Nominal output power | PCL 19-31; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 5 dBm | 62 |
| Nominal output power | PCL 29; Normal tolerance ±2 dB; Extreme tolerance ±2.5 dB; nominal value | typ 36 dBm | 62 |
| Nominal output power | PCL 30; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 34 dBm | 62 |
| Nominal output power | PCL 31; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 32 dBm | 62 |
| Nominal output power | PCL 0; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 30 dBm | 62 |
| Nominal output power | PCL 1; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 28 dBm | 62 |
| Nominal output power | PCL 2; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 26 dBm | 62 |
| Nominal output power | PCL 3; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 24 dBm | 62 |
| Nominal output power | PCL 4; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 22 dBm | 62 |
| Nominal output power | PCL 5; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 20 dBm | 62 |
| Nominal output power | PCL 6; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 18 dBm | 62 |
| Nominal output power | PCL 7; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 16 dBm | 62 |
| Nominal output power | PCL 8; Normal tolerance ±3 dB; Extreme tolerance ±4 dB; nominal value | typ 14 dBm | 62 |
| Nominal output power | PCL 9; Normal tolerance ±4 dB; Extreme tolerance ±5 dB; nominal value | typ 12 dBm | 62 |
| Nominal output power | PCL 10; Normal tolerance ±4 dB; Extreme tolerance ±5 dB; nominal value | typ 10 dBm | 62 |
| Nominal output power | PCL 11; Normal tolerance ±4 dB; Extreme tolerance ±5 dB; nominal value | typ 8 dBm | 62 |
| Nominal output power | PCL 12; Normal tolerance ±4 dB; Extreme tolerance ±5 dB; nominal value | typ 6 dBm | 62 |
| Nominal output power | PCL 13; Normal tolerance ±4 dB; Extreme tolerance ±5 dB; nominal value | typ 4 dBm | 62 |
| Nominal output power | PCL 14; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 2 dBm | 62 |
| Nominal output power | PCL 15-28; Normal tolerance ±5 dB; Extreme tolerance ±6 dB; nominal value | typ 0 dBm | 62 |
| Receive sensitivity | GSM850; static condition | typ -109 · max -107 dBm | 63 |
| Receive sensitivity | EGSM900; static condition | typ -109 · max -107 dBm | 63 |
| Receive sensitivity | DCS1800; static condition | typ -109 · max -107 dBm | 63 |
| Receive sensitivity | PCS1900; static condition | typ -109 · max -107 dBm | 63 |
| Frequency | GSM850; Receive | min 869 · max 894 MHz | 63 |
| Frequency | GSM850; Transmit | min 824 · max 849 MHz | 63 |
| Frequency | EGSM900; Receive | min 925 · max 960 MHz | 63 |
| Frequency | EGSM900; Transmit | min 880 · max 915 MHz | 63 |
| Frequency | DCS1800; Receive | min 1805 · max 1880 MHz | 63 |
| Frequency | DCS1800; Transmit | min 1710 · max 1785 MHz | 63 |
| Frequency | PCS1900; Receive | min 1930 · max 1990 MHz | 63 |
| Frequency | PCS1900; Transmit | min 1850 · max 1910 MHz | 63 |
| VIL VIL | min -0.3 · max 0.7 V | 33 | |
| VIH VIH | min 2.1 · max 3.1 V | 33 | |
| VOL VOL | max 0.4 V | 33 | |
| VOH VOH | min 2.4 · typ 2.8 V | 33 | |
| VCHG VCHG | min 4.3 · typ 5 · max 7 V | 36 | |
| Mic biasing voltage | typ 1.9 · max 2.2 V | 40 | |
| Working Current | max 2 mA | 40 | |
| Input impedance(differential) | min 13 · typ 20 · max 27 KΩ | 40 | |
| Idle channel noise | max -67 dBm | 40 | |
| SINAD | Input level:-40dBm0 | min 29 dB | 40 |
| SINAD | Input level:0dBm0 | typ 69 dB | 40 |
| Normal output | RL=32 Ω receiver | max 90 mW | 40 |
| Voltage range | min 0 · max 2.8 V | 48 | |
| ADC Resolution | typ 10 bits | 48 | |
| Sampling rate | max 1.0833 MHz | 48 | |
| ADC precision | typ 10 · max 30 mV | 48 | |
| Working voltage | min 2.5 · typ 2.8 · max 2.9 V | 49 | |
| Working current | typ 4 · max 16 mA | 49 | |
| High-level input voltage VIH | min 2.1 · max 3 V | 58 | |
| Low-level input voltage VIL | min -0.3 · max 0.7 V | 58 | |
| High-level output voltage VOH | min 2.4 · typ 2.8 V | 58 | |
| Low-level output voltage VOL | max 0.4 V | 58 | |
| High-level input voltage VIH | First voltage row; supply condition not explicitly labeled | min 1.4 V | 59 |
| High-level input voltage VIH | Second voltage row; supply condition not explicitly labeled | min 2.4 V | 59 |
| Low-level input voltage VIL | First voltage row; supply condition not explicitly labeled | max 0.27 V | 59 |
| Low-level input voltage VIL | Second voltage row; supply condition not explicitly labeled | max 0.4 V | 59 |
| High-level output voltage VOH | First voltage row; supply condition not explicitly labeled | min 1.62 V | 59 |
| High-level output voltage VOH | Second voltage row; supply condition not explicitly labeled | min 2.7 V | 59 |
| Low-level output voltage VOL | First voltage row; supply condition not explicitly labeled | max 0.36 V | 59 |
| Low-level output voltage VOL | Second voltage row; supply condition not explicitly labeled | max 0.4 V | 59 |
| Output voltage VO | 3 V SIM supply | typ 3 V | 59 |
| Output voltage VO | 1.8 V SIM supply | typ 1.8 V | 59 |
| Voltage VBAT | GNSS engine powered down | min 3.4 · typ 4 · max 4.4 V | 60 |
| Voltage drop | VBAT = 4V, GNSS engine powered down; PCL=5 | max 350 mV | 60 |
| Voltage ripple | VBAT = 4V, GNSS engine powered down; PCL=5, f<200kHz | max 50 mV | 60 |
| Voltage ripple | VBAT = 4V, GNSS engine powered down; PCL=5, f>200kHz | max 2 mV | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Power off mode | typ 134 · max 150 uA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Sleep mode (AT+CFUN=1), BS-PA-MFRMS=9 | typ 1.073 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Sleep mode (AT+CFUN=1), BS-PA-MFRMS=5 | typ 1.167 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Sleep mode (AT+CFUN=1), BS-PA-MFRMS=2 | typ 1.627 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Idle mode (AT+CFUN=1), EGSM900 | typ 16.8 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Voice call (PCL=5), GSM850 | typ 216.6 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Voice call (PCL=5), EGSM900 | typ 221.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Voice call (PCL=0), DCS1800 | typ 140.3 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Voice call (PCL=0), PCS1900 | typ 155 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (1Rx,4Tx), GSM850 | typ 445.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (1Rx,4Tx), EGSM900 | typ 433.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (1Rx,4Tx), DCS1800 | typ 287.1 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (1Rx,4Tx), PCS1900 | typ 296.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (3Rx,2Tx), GSM850 | typ 332.9 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (3Rx,2Tx), EGSM900 | typ 333.5 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (3Rx,2Tx), DCS1800 | typ 222 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (3Rx,2Tx), PCS1900 | typ 229.8 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (4Rx,1Tx), GSM850 | typ 222.6 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (4Rx,1Tx), EGSM900 | typ 224.7 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (4Rx,1Tx), DCS1800 | typ 158.4 mA | 60 |
| Average current IVBAT | VBAT = 4V, GNSS engine powered down; Data mode GPRS (4Rx,1Tx), PCS1900 | typ 165.2 mA | 60 |
| Peak current IMAX | VBAT = 4V, GNSS engine powered down; During TX burst | max 2 A | 60 |
| VBAT | Contact discharge, ±5KV | max 5 KV | 61 |
| VBAT | Air discharge, ±10KV | max 10 KV | 61 |
| GND | Contact discharge, ±5KV | max 5 KV | 61 |
| GND | Air discharge, ±10KV | max 10 KV | 61 |
| RXD, TXD | Contact discharge, ±2KV | max 2 KV | 61 |
| RXD, TXD | Air discharge, ±8KV | max 8 KV | 61 |
| Antenna port | Contact discharge, ±5KV | max 5 KV | 61 |
| Antenna port | Air discharge, ±10KV | max 10 KV | 61 |
| SPK1P/ SPK1N; MIC1P/ MIC1N | Contact discharge, ±4KV | max 4 KV | 61 |
| SPK1P/ SPK1N; MIC1P/ MIC1N | Air discharge, ±8KV | max 8 KV | 61 |
| PWRKEY | Contact discharge, ±4KV | max 4 KV | 61 |
| PWRKEY | Air discharge, ±8KV | max 8 KV | 61 |
| Nominal output power | PCL 0-2; normal tolerance ±2 dB, extreme tolerance ±2.5 dB | typ 39 dBm | 61 |
| Tolerance | PCL 0-2; Normal; ±2 dB | min -2 · max 2 dB | 61 |
| Tolerance | PCL 0-2; Extreme; ±2.5 dB | min -2.5 · max 2.5 dB | 61 |
| Nominal output power | PCL 3 | typ 37 dBm | 61 |
| Tolerance | PCL 3; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 3; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 4 | typ 35 dBm | 61 |
| Tolerance | PCL 4; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 4; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 5 | typ 33 dBm | 61 |
| Tolerance | PCL 5; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 5; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 6 | typ 31 dBm | 61 |
| Tolerance | PCL 6; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 6; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 7 | typ 29 dBm | 61 |
| Tolerance | PCL 7; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 7; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 8 | typ 27 dBm | 61 |
| Tolerance | PCL 8; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 8; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 9 | typ 25 dBm | 61 |
| Tolerance | PCL 9; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 9; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 10 | typ 23 dBm | 61 |
| Tolerance | PCL 10; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 10; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 11 | typ 21 dBm | 61 |
| Tolerance | PCL 11; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 11; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 12 | typ 19 dBm | 61 |
| Tolerance | PCL 12; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 12; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
| Nominal output power | PCL 13 | typ 17 dBm | 61 |
| Tolerance | PCL 13; Normal; ±3 dB | min -3 · max 3 dB | 61 |
| Tolerance | PCL 13; Extreme; ±4 dB | min -4 · max 4 dB | 61 |
Pins, by the datasheet
63- 1 GND
- Ground; connect to power GND. · p. 17
- 2 GND
- Ground; connect to power GND. · p. 17
- 3 GND
- Ground; connect to power GND. · p. 17
- 4 VBAT
- 3.4 V to 4.4 V supply; provide nearly 2 A peak current and surge protection. · p. 17
- 5 VBAT
- 3.4 V to 4.4 V supply; provide nearly 2 A peak current and surge protection. · p. 17
- 6 VBAT
- 3.4 V to 4.4 V supply; provide nearly 2 A peak current and surge protection. · p. 17
- 7 VDD_EXT
- 2.8 V power output; leave floating if unused. · p. 17
- 8 PWRKEY
- Pull low for at least 1 second, then release, to power on or off; internally pulled up to 3 V. · p. 17
- 17 VRTC
- RTC power supply; connect a backup battery or capacitor, for example 4.7uF. · p. 17
- 18 GND
- Ground. · p. 17
- 19 MIC1P
- Differential audio input; leave floating if unused. · p. 17
- 20 MIC1N
- Differential audio input; leave floating if unused. · p. 17
- 21 SPK1P
- Differential audio output; leave floating if unused. · p. 17
- 22 SPK1N
- Differential audio output; leave floating if unused. · p. 17
- 28 GND
- Ground. · p. 17
- 34 GND
- Ground. · p. 17
- 36 GND
- Ground. · p. 17
- 40 GND
- Ground. · p. 17
- 45 PCM_SYNC
- PCM audio interface synchronization; leave floating if unused. · p. 17
- 46 PCM_CLK
- PCM audio interface clock; leave floating if unused. · p. 17
- 47 PCM_IN
- PCM audio input; leave floating if unused. · p. 17
- 48 PCM_OUT
- PCM audio output; leave floating if unused. · p. 17
- 51 GND
- Ground. · p. 17
- 52 GND
- Ground. · p. 17
- 54 GND
- Ground. · p. 17
- 55 KBR3
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 56 KBR2
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 57 KBR1
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 58 KBR0
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 59 KBC3
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 60 KBC2
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 61 KBC1
- 4 by 4 keypad interface supporting 16 buttons by default; leave floating if unused. · p. 17
- 62 KBC0
- 4 by 4 keypad interface; leave floating if unused; must not be pulled down. · p. 17
- 64 GND
- Ground. · p. 17
- 65 GND
- Ground. · p. 17
- 67 GND
- Ground. · p. 17
- 68 GND
- Ground. · p. 17
- 9 DTR
- Data terminal ready. · p. 33
- 10 RI
- Ring indicator. · p. 33
- 11 DCD
- Data carrier detect. · p. 33
- 12 CTS
- Clear to send. · p. 33
- 13 RTS
- Request to send. · p. 33
- 14 TXD
- Transmit data. · p. 33
- 15 RXD
- Receive data. · p. 33
- 23 ADC0
- Analog to Digital Converter; input voltage must be less than 2.8 V. · p. 48
- 24 ADC1
- Analog to Digital Converter; input voltage must be less than 2.8 V. · p. 48
- 25 VCHG
- VCHG power supply. · p. 33
- 26 USB_DP
- USB data line positive. · p. 33
- 27 USB_DN
- USB data line negative. · p. 33
- 29 SIM_VDD
- Voltage supply for SIM card; supports 1.8 V or 3 V SIM cards. · p. 41
- 30 SIM_DATA
- SIM data input/output. · p. 41
- 31 SIM_CLK
- SIM clock. · p. 41
- 32 SIM_RST
- SIM reset. · p. 41
- 33 SIM_DET
- SIM card detection. · p. 41
- 38 SDA
- I2C serial bus data; internally pulled up to 2.8 V via 4.7KΩ. · p. 47
- 39 SCL
- I2C serial bus clock; internally pulled up to 2.8 V via 4.7KΩ. · p. 47
- 41 PWM2
- Pulse Width Modulation 2; keep low during boot. · p. 48
- 42 PWM1
- Pulse Width Modulation 1; keep low during boot. · p. 48
- 43 GPIO19
- General purpose input/output; reset state I/PU. · p. 47
- 44 GPIO17
- General purpose input/output; reset state I/PU. · p. 47
- 49 STATUS
- Operating status indication; high when powered on, low when powered off. · p. 50
- 50 NETLIGHT
- Network Status Indication; can drive a network status LED. · p. 49
- 63 RF_SYNC
- Transmit synchronization signal; high indicates increased consumption during transmission; do not pull up. · p. 50
Parameters
11- Communication System
- GPRS, GSM
- Current - Supply
- 16.8mA
- Current - Supply(Max)
- 2A
- Current Consumption
- 1.07mA
- Data Rate
- 460.8kbps
- Features
- PCM voice function, DTMF function, Audio playback and recording function, CMUX function, Noise suppression function, USSD function
- Interface
- I2C, USB, UART, GPIO, ADC, PWM
- Operating Temperature
- -40℃~+85℃
- Standby Current
- 1.073mA
- Voltage - Supply
- 1.2V~7V
- Voltage - Supply(Absolute Max)
- 4.5V
Order codes
1- SIM808LCSC C126275
Pinout
68| Pin | Name | Type |
|---|---|---|
| 1 | GND | Unspecified |
| 2 | GND | Unspecified |
| 3 | FND | Unspecified |
| 4 | VBAT | Unspecified |
| 5 | VBAT | Unspecified |
| 6 | VBAT | Unspecified |
| 7 | VDD_EXT | Unspecified |
| 8 | PWRKEY | Unspecified |
| 9 | DTR | Unspecified |
| 10 | RI | Unspecified |
| 11 | DCD | Unspecified |
| 12 | CTS | Unspecified |
| 13 | RTS | Unspecified |
| 14 | TXD | Unspecified |
| 15 | RXD | Unspecified |
| 16 | RESET | Unspecified |
| 17 | VRTC | Unspecified |
| 18 | GND | Unspecified |
| 19 | MIC1P | Unspecified |
| 20 | MIC1N | Unspecified |
| 21 | SPK1P | Unspecified |
| 22 | SPK1N | Unspecified |
| 23 | ADC0 | Unspecified |
| 24 | ADC1 | Unspecified |
| 25 | VCHG | Unspecified |
| 26 | USB_DP | Unspecified |
| 27 | USB_DN | Unspecified |
| 28 | GND | Unspecified |
| 29 | SIM_VDD | Unspecified |
| 30 | SIM_DATA | Unspecified |
| 31 | SIM_CLK | Unspecified |
| 32 | SIM_RST | Unspecified |
| 33 | SIM_DET | Unspecified |
| 34 | GND | Unspecified |
| 35 | GPS_ANT | Unspecified |
| 36 | GND | Unspecified |
| 37 | IPPS | Unspecified |
| 38 | SDA | Unspecified |
| 39 | SCL | Unspecified |
| 40 | GND | Unspecified |
| 41 | PWM2 | Unspecified |
| 42 | PWM1 | Unspecified |
| 43 | GPIO19 | Unspecified |
| 44 | GPIO17 | Unspecified |
| 45 | PCM_SYNC | Unspecified |
| 46 | PCM_CLK | Unspecified |
| 47 | PCM_IN | Unspecified |
| 48 | PCNM_OUT | Unspecified |
| 49 | STATUS | Unspecified |
| 50 | NETLIGHT | Unspecified |
| 51 | GND | Unspecified |
| 52 | GND | Unspecified |
| 53 | BT_ANT | Unspecified |
| 54 | GND | Unspecified |
| 55 | KBR3 | Unspecified |
| 56 | KBR2 | Unspecified |
| 57 | KBR1 | Unspecified |
| 58 | KBR0 | Unspecified |
| 59 | KBC3 | Unspecified |
| 60 | KBC2 | Unspecified |
| 61 | KBC1 | Unspecified |
| 62 | KBC0 | Unspecified |
| 63 | RF_SYNC | Unspecified |
| 64 | GND | Unspecified |
| 65 | GND | Unspecified |
| 66 | GSM_ANT | Unspecified |
| 67 | GND | Unspecified |
| 68 | GND | Unspecified |
Open-source boards using it
All 19- 2 layers79.2 × 59.2 mm

- 4 layers42.5 × 58.5 mm

STM32 GPS Tracking Module
tejashviraj19/PCB-Design-Lab
PCB Design projects, KiCad layouts, embedded hardware experiments, and fabrication-ready PCB designs.
61 parts1 - 2 layers68 × 38 mm

- 2 layers90 × 80.5 mm

- 4 layers49.3 × 66.2 mm

STM32 GPS tracker
dohaahmed2135-oss/kicad-learning-projects
Welcome to my KiCad Learning Projects repository!
57 parts - 2 layers35 × 53 mm

- 4 layers68 × 53.1 mm

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JayTzw/Mechanical---Robotics---Electronics
CAD files, Circuit schematics & PCB designs, Robotics simulations
66 parts - 2 layers

Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/simcom-wireless-solutions/SIM808" title="SIM808 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/simcom-wireless-solutions/SIM808.jpg" alt="SIM808" width="1200" height="900">[](https://pcbkit.io/parts/simcom-wireless-solutions/SIM808)Questions
Is there a KiCad symbol and footprint for the SIM808?
Yes. The symbol is EasyEDA_Cloud:SIM808 and the footprint EasyEDA_Cloud:GSM-SMD_68P-L24.0-W24.0-P1.00-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SIM808?
SMD,24x24mm, with 68 pins. Its footprint is drawn on this page.
Where is the SIM808 datasheet?
SIMCom Wireless Solutions publishes it: the Datasheet link on this page opens it.
Where can I order the SIM808?
JLCPCB lists it as part C126275, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SIM808?
Parts like it in the library: the SIM7000E by SIMCom Wireless Solutions, the SIM7000C by SIMCom Wireless Solutions, the SIM2000C by SIMCom Wireless Solutions and the SIM7000A by SIMCom Wireless Solutions. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SIM808?
19 boards in 17 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
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