SIM800L V2.0 5V Wireless GSM GPRS MODULE Quad-Band MOD31
The manual emphasizes the module’s command-driven design: it supports the standard 3GPP AT command sets plus SIMCom proprietary extensions so that a host microcontroller or PC can manage network registration, calls, messaging and GPRS data sessions via textual AT sequences. The document describes command categories for voice/SMS/GPRS/TCP-IP/HTTP/FTP/MMS and many service functions, showing that the SIM800L is designed to be operated and scripted entirely through these well-documented commands.
Engineering detail in the manual highlights per-variant differences (the SIM800L is one of several SIM800 family variants), noting specific supported commands and hardware signals (for example jamming-detection pin and ADC support differences). The manual positions the SIM800L as a flexible embedded communications engine whose behaviour and services are exposed at the AT level making it suitable wherever a compact, commendable GSM/GPRS engine is needed in a larger device.
Features:
Model: SIM800L V2.0 (MOD31)
Supports Quad-Band GSM/GPRS (850/900/1800/1900MHz)
Input voltage: 5V
Supports SMS, voice calls, and GPRS data
Built-in antenna connector
Compatible with Arduino, ESP8266, ESP32, STM32
Ideal for IoT projects, tracking systems, alarms, and wireless control
Small, low-power, and easy to integrate
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