SIM800L GSM module

• SIM800L is a miniature cellular module which allows for GPRS transmission, sending and receiving SMS and making and receiving voice calls.
• Supply voltage: 3.8V – 4.2V
• Recommended supply voltage: 4V
• 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
• Status signaling: LED
• Working temperature range: -40 do 85 ° C

Power consumption:

• sleep mode < 2.0mA
• idle mode < 7.0mA
• GSM transmission (avg): 350 mA
• GSM transmission (peek): 2000mA