SIM800L V2.0 5V Wireless GSM GPRS MODULE Quad-Band MOD31

Description

SIM800L V2.0 5V Wireless GSM GPRS MODULE Quad-Band MOD31 The SIM800L V2.0 (MOD31) is a member of SIMCom’s SIM800 series GSM engines and is presented in the AT-command manual as a compact cellular engine that exposes a standard AT command interface for controlling voice, SMS and packet data services. The manual frames the SIM800 family as a modem-style GSM/GPRS engine that is controlled by a host via serial AT commands, intended to be embedded into customer equipment rather than used as a finished product. 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: Standard AT-command control (3GPP TS 27.007 / 27.005 + SIMCom extensions). Support for voice calls and SMS control via AT commands. GPRS / packet data and TCP/IP commands (including TCP/UDP, multi-IP, PPP). HTTP and FTP client AT command support. MMS and email command support exposed in the AT set. TTS (text-to-speech) and local recording/playback command support. GPIO, ADC and audio channel control via AT commands (including CHFA, SGPIO, CMIC). Jamming-detection signal support (module PIN designated for JD status). Pin Description: 5v: Power interface Power the module CONNECT TO DC 5v GND: Connect to GND. VDD: TTL UART interface The TTL UART serial interface, you can connect the MCU like 51MCU or ARM or MSP430 directly. The pin of VDD is used to match the voltage of the TTL. SIM_TXD: SIM module Transmitter. SIM_RXD: SIM module Receiver. GND: If this pin is unused, keep open. RST: RST the module, if this pin is unused, keep open. Specifications: Parameter Value Chip: SIM800L Interface Type: TTL UART Baud Rate: Adaptive (default), supports 2400 – 115200 bps Input Supply Voltage: 5 – 20 V DC Power Interface: 2.54 mm Pin Header / Micro USB Antenna Interface: ASMA / IPX Voice Interface: 3.5 mm Audio Jack Network Support: Quad-Band 850 / 900 / 1800 / 1900 MHz – works on GSM networks worldwide PCB Dimensions (mm): Length 40.1 × Width 27.1 × Height 11.1 Approx. Weight: 20 g Mounting Hole Dimensions: 3.8 mm Applications: SMS-Based Alert and Notification Systems. Remote Data Logging and Telemetry. GPS Tracking and Asset Management. IoT Device Communication and Control. Mobile Robotics and Unmanned Vehicle Control. Remote Sensor and Actuator Control. Wireless Payment Terminals. Vehicle Security and Anti-Theft Systems. Smart Agriculture Monitoring Systems. Emergency Call and Fall Detection Devices. Vending Machine Inventory Management. Remote Equipment Diagnostics and Health Monitoring. Environmental Parameter Monitoring. Home Automation and Security Systems. Two-Factor Authentication via SMS. Package Includes : 1x SIM800L V2.0 5V Wireless GSM GPRS MODULE. 1x L-Shape Antenna Datasheet

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