Description
Description
About 4G Development board by techiesms
developed our very own 4G development board that will not only help you to make all those projects that you made with SIM800L module, but also supports a lot of new features and specifications in it which will open tremendous possibilities of making IOT project based on 4G connectivity.
4G Development board Overview
PinoutsÂ
|
Pin Number |
Pin Name |
Description |
|
1 |
GND |
 Module ground reference |
|
2 |
5V Out |
 5V Output Only Pin for Powering External Microcontroller |
|
3 |
3.3V Out |
3.3V Output Only Pin for Powering External Microcontroller |
|
4,5 |
SPK_N, SPK_P |
 Speaker differential output |
|
6 |
RI |
 Ring Indicator Interrupt |
|
7 |
DTR |
 Serial Data Terminal Ready pin |
|
8 |
RST |
 Reset pin, pull low for 100ms to perform hard reset |
|
9 |
PWRKEY |
 Power On/Off pin. Pull High for 50ms to Power On. Pull High for 2500ms to Power off |
|
10 |
TX |
 Serial Data Output |
|
11 |
RX |
 Serial Data Input
|
|
12 |
GND |
 Module ground reference |
Package Includes
- A7672S 4G development board
- LTE Antenna
- GPS/GNSS Antenna
- BLE Antenna
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