SIM800L Quad Band GSM Module GPRS/GSM/SMS TTL Serial Port

the sim800l module is a miniature gsm modem that can be integrated into a large number of internet of things projects. it features a four-band ttl serial port with a micro sim card gprs gsm module that is compatible with esp8266 and esp32, and it also has the sim800l chip, operating at voltages from 3.7 volts to 4.2 volts. with energy-saving techniques, the current consumption in sleep mode reaches 1 milliampere.
when you turn on the module, it automatically connects to the network.

application of the quad-band gsm module:

1. smart homes
2. internet connectivity
3. internet of things (iot)
4. sending and receiving messages
5. receiving fm radio

specifications of the gsm module sim800l:

1. ic chip: sim800l
2. voltage: 5 volts
3. supported networks: gprs / gsm / sms
4. serial port: ttl
5. can be directly connected to a microcontroller without the need for max232.
6. supports a-gps
7. supports real-time clock

Documents:

data sheet sim800l-gsm module