Description
Chip: SIM800L
Voltage: 3.7-4.2V
Module size: 2.5cmx2.3cm
TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232
Power module automatically boot, homing network
Onboard signal lights all the way . It flashes slowly when there is a signal,
it flashes quickly when there is no signal
 
Package Included:
1 xSIM800L GPRS GSM Module Card Board Quad-band Onboard + Antenna
 
Resources:
0. Arduino Based GSM Mobile Phone using SIM800L
1. SMS Controller by Using SIM800L V2
2. SIM800L GPRS Module with Arduino AT Commands
3. Project Example