SIM800L GSM Module Micro Sim Card Board

Sim 800L GSM SIM800L GPRS TCP IP Module Micro SIM Card

GSM SIM 800L Module GPRS TCP IP Module MicroSIM Card GSM SMS TTL Serial Board With two Antenna

Feature of GSM SIM 800L Module:

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)