Module – GSM Module SIM800L with MIC & 3.5mm Headphone Jack



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

Feature


  • 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

 

Application


  • Nitrogen dioxide alarm
  • Automatic Web Spider SMS-notifier
  • Remote meter reading system

Source PinMap


SIM800

SIM800 Pin ESP32 Chip
TXD U2RXD(GPIO16)
RXD U2TXD(GPIO17)
RST GPIO5

Include

  • 1x M5Stack SIM800L Module