SIM800L GPRS TCP IP Module MicroSIM Card GSM SMS TTL Serial Board With two Antenna

Feature:

Module models: SIM800L (latest module, performance than SIM900)
Operating voltage: 3.7 to 4.2 V (peak current is 2A)
Support network: China mobile, China unicom
Module size: 2.2 x 1.8cm
TTL serial port, can directly link to MCU. Don't need a MAX232
Power on automatic startup, automatic search network
Onboard one channel indicator light (with signal slow flash, no signal quickly flash)

Package includes:

1 x SIM800L GSM Module with two antenna and pin headers