Description
Product FeaturesProduct Features3.5 mm phone audio jackMIC (MIC is disable by default. To enable it, you will need to weld a 0 ohm resistor at MIC-EN )Supply voltage: 3.8V – 4.2VRecommended supply voltage: 4VPower consumption: sleep mode Module size: 25 x 23 mmInterface: UART (max. 2.8V) and AT commandsSIM card socket: microSIM (bottom side)Supported frequencies: Quad Band (850 / 950 / 1800 /1900 MHz)Antenna connector: IPXSpring Antenna on boardStatus signaling: LEDWorking temperature range: -40 do + 85 ° CPackage Including1 x M5Stack ESP32 GSM/GPRS SIM800L module



