

Overview
The SIM800 is a 2G, 3G, 4G, 5G Module made by SIMCom Wireless Solutions in a SMD,24x24mm package with 68 pins. 1mA 3.4V~4.4V GSM I2C、USB、UART、GPIO、SIM card SMD,24x24mm 2G/3G/4G/5G Modules ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SIM800, 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 C90688). 4 open-source boards in 4 repositories on GitHub use it.
Symbol
Footprint
Parameters
6- Communication System
- GSM
- Current Consumption
- 1mA
- Features
- PCM voice function, Audio playback and recording function, CMUX function, Noise suppression function, USSD function
- Interface
- I2C, USB, UART, GPIO, SIM card
- Operating Temperature
- -40℃~+85℃
- Voltage - Supply
- 3.4V~4.4V
Order codes
1- SIM800LCSC C90688
Pinout
68| Pin | Name | Type |
|---|---|---|
| 1 | PWRKEY | Unspecified |
| 2 | GND | Unspecified |
| 3 | DTR | Unspecified |
| 4 | RI | Unspecified |
| 5 | DCD | Unspecified |
| 6 | PCM_OUT | Unspecified |
| 7 | CTS | Unspecified |
| 8 | RTS | Unspecified |
| 9 | TXD | Unspecified |
| 10 | RXD | Unspecified |
| 11 | GPIO17 | Unspecified |
| 12 | PCM_IN | Unspecified |
| 13 | GPIO19 | Unspecified |
| 14 | PCM_SYNC | Unspecified |
| 15 | VDD_EXT | Unspecified |
| 16 | NRESET | Unspecified |
| 17 | GND | Unspecified |
| 18 | GND | Unspecified |
| 19 | MIC_P | Unspecified |
| 20 | MIC_N | Unspecified |
| 21 | SPK_P | Unspecified |
| 22 | SPK_N | Unspecified |
| 23 | KPLED | Unspecified |
| 24 | VBUS | Unspecified |
| 25 | ADC | Unspecified |
| 26 | VRTC | Unspecified |
| 27 | USB_DP | Unspecified |
| 28 | USB_DM | Unspecified |
| 29 | GND | Unspecified |
| 30 | SIM_VDD | Unspecified |
| 31 | SIM_DATA | Unspecified |
| 32 | SIM_CLK | Unspecified |
| 33 | SIM_RST | Unspecified |
| 34 | SIM_PRESENCE | Unspecified |
| 35 | PWM1/GPIO22 | Unspecified |
| 36 | PWM2/GPIO23 | Unspecified |
| 37 | I2C_SDA | Unspecified |
| 38 | I2C_SCL | Unspecified |
| 39 | GND | Unspecified |
| 40 | ROW4/GPIO1 | Unspecified |
| 41 | ROW3/GPIO2 | Unspecified |
| 42 | ROW2/GPIO3 | Unspecified |
| 43 | ROW1/GPIO4 | Unspecified |
| 44 | ROW0/GPIO5 | Unspecified |
| 45 | GND | Unspecified |
| 46 | GND | Unspecified |
| 47 | COL4/GPIO6 | Unspecified |
| 48 | COL3/GPIO7 | Unspecified |
| 49 | COL2/GPIO8 | Unspecified |
| 50 | COL1/GPIO9 | Unspecified |
| 51 | COL0/GPIO10 | Unspecified |
| 52 | NETLIGHT | Unspecified |
| 53 | GNSS_ANT | Unspecified |
| 54 | GND | Unspecified |
| 55 | VBAT | Unspecified |
| 56 | VBAT | Unspecified |
| 57 | VBAT | Unspecified |
| 58 | GND | Unspecified |
| 59 | GND | Unspecified |
| 60 | RF_ANT | Unspecified |
| 61 | GND | Unspecified |
| 62 | GND | Unspecified |
| 63 | GND | Unspecified |
| 64 | GND | Unspecified |
| 65 | GND | Unspecified |
| 66 | STATUS | Unspecified |
| 67 | RF_SYNC | Unspecified |
| 68 | PCM_CLK | Unspecified |
Open-source boards using it
All 4- 2 layers99.5 × 50.5 mm

- 2 layers363.5 × 84 mm

- 4 layers110.1 × 76.6 mm

RS232 TO MCU
ahsan105/SIM800_GSM_PCB_design
Custom-designed GSM communication PCB using SIM800 with UART, RS232 level shifting, and power circuitry (KiCad)
48 parts - 2 layers98 × 68 mm

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<iframe src="https://pcbkit.io/embed/parts/simcom-wireless-solutions/SIM800" title="SIM800 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/SIM800.jpg" alt="SIM800" width="1200" height="900">[](https://pcbkit.io/parts/simcom-wireless-solutions/SIM800)Questions
Is there a KiCad symbol and footprint for the SIM800?
Yes. The symbol is EasyEDA_Cloud:SIM800 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 SIM800?
SMD,24x24mm, with 68 pins. Its footprint is drawn on this page.
Where is the SIM800 datasheet?
SIMCom Wireless Solutions publishes it: the Datasheet link on this page opens it.
Where can I order the SIM800?
JLCPCB lists it as part C90688, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SIM800?
Parts like it in the library: the SIM7000E by SIMCom Wireless Solutions, the SIM7000C by SIMCom Wireless Solutions, the SIM808 by SIMCom Wireless Solutions and the SIM2000C 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 SIM800?
4 boards in 4 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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