GSM/GPRS Modules   SIM800

About the SIM800 category (2)
Keeps getting error on AT+HTTPPARA command (7)
GPRS enable command returns error but network LED starts blink rapidly (2)
Email on my gmail account using SIM800 module (8)
MQTT TCP connection getting closed using SIM800 with PIC18F4620 (11)
Sim 800c-RS232 Module (6)
Power toggle sim800L Module (20)
Interfacing STM32F4 with SIM800 for IOT based project using MQTT protocol (20)
Answer the call if number saved in simcard otherwise cut the call (6)
SIM800 module: Network LED does not blink ( 2 ) (26)
Connection 2 machine to 1 sim800 (2)
Unable To get proper registration status in fresh Airtel Sim card in SIM800A (4)
SIM800 Raspberry Pi interface - Firmware update not working (2)