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SIM868 on a board, in 3D

SIM868

SIMCom Wireless Solutions

-40℃~+85℃ 3.4V~4.4V 650uA 850MHz、900MHz、1800MHz、1900MHz GPRS、GSM I2C、USB、UART、SIM card、SD card Noise suppression function、USSD function、Assisted GNSS function SMD,17.6x15.7mm 2G/3G/4G/5G Modules ROHS

Extended
DatasheetJLCPCBLCSCsimcom-wireless-solutions/SIM868
Category
2G, 3G, 4G, 5G Modules
Package
SMD,17.6x15.7mm
Pins
77

Overview

The SIM868 is a 2G, 3G, 4G, 5G Module made by SIMCom Wireless Solutions in a SMD,17.6x15.7mm package with 77 pins. -40℃~+85℃ 3.4V~4.4V 650uA 850MHz、900MHz、1800MHz、1900MHz GPRS、GSM I2C、USB、UART、SIM card、SD card Noise suppression function、USSD function、Assisted GNSS function SMD,17.6x15.7mm 2G/3G/4G/5G Modules ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SIM868, from EasyEDA) and its footprint (EasyEDA_Cloud:GSMM-SMD_SIM868-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C89549). 3 open-source boards in 3 repositories on GitHub use it.

Symbol

UART1_TXD1UART1_RXD2UART1_RTS3UART1_CTS4UART1_DCD5UART1_DTR6UART1_RI7GND8MICP9MICN10SPK1P11SKP1N12GND13SIM1_DET14SIM1_DATA15SIM1_CLK16SIM1_RST17SIM1_VDD18GND19BT_ANT20GND21UART2_TXD22UART2_RXD23USB_VBUS24USB_DP25USB_DM26GND27VRTC28RF_SYNC29GND30GND31GSM_ANT32GND33GPS_VBAT34VBAT35GND36GND37ADC38POWERKEY39VDD_EXT40NETLIGHT41STATUS42SPK2N43SPK2P44GND45MCCA346MCCA247MCCA148MCCA049MCCK50MCCM051SIM2_DET52SIM2_DATA53SIM2_CLK54SIM2_RST55SIM2_VDD56GPIO157GPIO258GNSS_EN591PPS60GPS_TXD61GPS_RXD62GND63SDA64SCL65GND66GND67GPS_ANT68GND69GND70GND71GND72GND73GND74GND75GND76GND77
EasyEDA_Cloud:SIM868From EasyEDA

Footprint

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EasyEDA_Cloud:GSMM-SMD_SIM868-BLFrom EasyEDA

From the datasheet

17
Supply, least
3.4 V · VBAT, recommended operating, min · p. 46
Supply, most
4.4 V · VBAT, recommended operating, max · p. 46
Supply, least
2.8 V · GPS_VBAT, recommended operating, min · p. 46
Supply, most
4.4 V · GPS_VBAT, recommended operating, max · p. 46
Supply, least
2.3 V · VRTC, recommended operating, min · p. 46
Supply, most
4.3 V · VRTC, recommended operating, max · p. 46
Supply, absolute maximum
4.5 V · VBAT, absolute maximum · p. 46
Supply, absolute maximum
4.5 V · GPS_VBAT, absolute maximum · p. 46
Supply, absolute maximum
4.5 V · VRTC, absolute maximum · p. 46
Supply, absolute maximum
7 V · USB_VBUS, absolute maximum · p. 46
Works from
-40 °C · operating temperature, min · p. 46
Works up to
85 °C · operating temperature, max · p. 46
A pin gives at most
16 mA · digital interface output pin, absolute maximum · p. 46
Takes at most
2 A · VBAT, during transmit burst, max · p. 48
Takes asleep
860 µA · VBAT = 4.0 V, sleep AT+CFUN=1, BS-PA-MFRMS=9, typical · p. 48
Takes asleep
130 µA · VBAT = 4.0 V, power off mode, typical · p. 47
Data rate, most
85.6 kbit/s · GPRS CS-4, four timeslots, max · p. 11

Parameters

12
Communication Frequency
850MHz, 900MHz, 1800MHz, 1900MHz
Communication System
GPRS, GSM
Current - Supply(Max)
2A
Current Consumption
650uA
Data Rate
85.6kbps
Features
Noise suppression function, USSD function, Assisted GNSS function
Interface
I2C, USB, UART, SIM card, SD card
Operating Temperature
-40℃~+85℃
Output Current per Pin(Max)
16mA
Standby Current
860uA
Voltage - Supply
2.3V~4.4V
Voltage - Supply(Absolute Max)
4.5V

Order codes

1

Pinout

77
The pins of the SIM868
PinNameType
1UART1_TXDUnspecified
2UART1_RXDUnspecified
3UART1_RTSUnspecified
4UART1_CTSUnspecified
5UART1_DCDUnspecified
6UART1_DTRUnspecified
7UART1_RIUnspecified
8GNDUnspecified
9MICPUnspecified
10MICNUnspecified
11SPK1PUnspecified
12SKP1NUnspecified
13GNDUnspecified
14SIM1_DETUnspecified
15SIM1_DATAUnspecified
16SIM1_CLKUnspecified
17SIM1_RSTUnspecified
18SIM1_VDDUnspecified
19GNDUnspecified
20BT_ANTUnspecified
21GNDUnspecified
22UART2_TXDUnspecified
23UART2_RXDUnspecified
24USB_VBUSUnspecified
25USB_DPUnspecified
26USB_DMUnspecified
27GNDUnspecified
28VRTCUnspecified
29RF_SYNCUnspecified
30GNDUnspecified
31GNDUnspecified
32GSM_ANTUnspecified
33GNDUnspecified
34GPS_VBATUnspecified
35VBATUnspecified
36GNDUnspecified
37GNDUnspecified
38ADCUnspecified
39POWERKEYUnspecified
40VDD_EXTUnspecified
41NETLIGHTUnspecified
42STATUSUnspecified
43SPK2NUnspecified
44SPK2PUnspecified
45GNDUnspecified
46MCCA3Unspecified
47MCCA2Unspecified
48MCCA1Unspecified
49MCCA0Unspecified
50MCCKUnspecified
51MCCM0Unspecified
52SIM2_DETUnspecified
53SIM2_DATAUnspecified
54SIM2_CLKUnspecified
55SIM2_RSTUnspecified
56SIM2_VDDUnspecified
57GPIO1Unspecified
58GPIO2Unspecified
59GNSS_ENUnspecified
601PPSUnspecified
61GPS_TXDUnspecified
62GPS_RXDUnspecified
63GNDUnspecified
64SDAUnspecified
65SCLUnspecified
66GNDUnspecified
67GNDUnspecified
68GPS_ANTUnspecified
69GNDUnspecified
70GNDUnspecified
71GNDUnspecified
72GNDUnspecified
73GNDUnspecified
74GNDUnspecified
75GNDUnspecified
76GNDUnspecified
77GNDUnspecified

Open-source boards using it

All 3
  • 2 layers38.1 × 38.1 mmSIM868, the printed circuit board in 3D

    SIM868

    vul-os/sirboard

    Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.

    73 parts56Apache-2.0
  • 4 layers32.5 × 67 mmHw thingcell, the printed circuit board in 3D

    Hw thingcell

    GuilleGonzzalez/hw-thingcell

    Firmware used in this device is fw-thingcell, a custom made firmware implemented using Arduino Home Assistant Arduino library (docs).

    101 parts
  • 2 layers33 × 85 mmGL868 ESP32V3.1, the printed circuit board in 3D

    GL868 ESP32V3.1

    RamRamAndroid/GeoTinker-CodeMatrix

    The GeoTinker GL868_ESP32 is a production-ready, open-source development board that combines an ESP32-S3 and SIM868 GSM modem, with GPS Tracking, motion detection, battery management, wireless connectivity…

    79 partsGPL-3.0

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A picture that opens the part, for a README
[![SIM868](https://pcbkit.io/embed/parts/simcom-wireless-solutions/SIM868.jpg?size=s)](https://pcbkit.io/parts/simcom-wireless-solutions/SIM868)

Questions

Is there a KiCad symbol and footprint for the SIM868?

Yes. The symbol is EasyEDA_Cloud:SIM868 and the footprint EasyEDA_Cloud:GSMM-SMD_SIM868-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SIM868?

SMD,17.6x15.7mm, with 77 pins. Its footprint is drawn on this page.

Where is the SIM868 datasheet?

SIMCom Wireless Solutions publishes it: the Datasheet link on this page opens it.

Where can I order the SIM868?

JLCPCB lists it as part C89549, with 0 in stock; the sellers' links on this page open their listings.

Which open-source boards use the SIM868?

3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.