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Description
SIM800L is a cellular phone module, integrated SIM800L, a GSM/GPRS module, only cpmpatible with 2G network. if you want to integrate a cellular module into your design with vioce, text and SMS, this hand-solderable module is pretty nice!
Series Protocol: UART
Product Features
- 3.5 mm phone audio jack
- MIC (MIC is disable by default. To enable it, you will need to weld a 0 ohm resistor at MIC-EN )
- Supply voltage: 3.8V - 4.2V
- Recommended supply voltage: 4V
- Power consumption: sleep mode < 2.0mA idle mode < 7.0mA GSM transmission (avg): 350 mA GSM transmission (peak): 2000mA
- Module size: 25 x 23 mm
- Interface: UART (max. 2.8V) and AT commands
- SIM card socket: microSIM (bottom side)
- Supported frequencies: Quad Band (850 / 950 / 1800 /1900 MHz)
- Antenna connector: IPX
- Spring Antenna on board
- Status signaling: LED
- Working temperature range: -40 do + 85 ° C
Kit includes
- 1x M5Stack SIM800L Module
Applications
- Nitrogen dioxide alarm
- Automatic Web Spider SMS-notifier
- Remote meter reading system
More information
PinMap
SIM800
| SIM800 Pin | ESP32 Chip |
|---|---|
| TXD | U2RXD(GPIO16) |
| RXD | U2TXD(GPIO17) |
| RST | GPIO5 |
Schematic
