GSM MODULES SIM 900A

Quick Overview

Descrition:
This GPRS/GSM module is a breakout board and minimum system of SIM900A Dual-band GSM/GPRS module. It can communicate with controllers via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands). The interface is via UART/Serial. This module supports software power on and reset.

Features:

Dual-Band 900/ 1900 MHz
Onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5v-4.5V power supply, optional power on self starting (default) and control start.
Onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset.
SMA female socket, Antenna included.
Low power consumption: 1.5mA (sleep mode)
Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
UART TTL (3.3V or 5V) and RS232 level interface
SIM Card Slot (Flip)
Operation temperature: -40°C to +85 °C
Size: 49mm*50mm