[EOL] GSM Module SIM800L with MIC & Headphone Jack

PRODUCT DETAILSDescription SIM800L is a cellular phone module, integrated SIM800L, a GSM/GPRS module, only compatible with 2G network. if you want to integrate a cellular module into your design with voice, text and SMS, this hand-solderable module is pretty nice!This product is EOL now.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 (peek): 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 M5Stack Fire has occupied GPIO16 / 17 to connect with the PSR