GSM SIM900A USB SHEILD IN INDIA

Specifications: GSM SIM900A USB SHIELD GSM/GPRS Module: SIMCOM SIM900A On board Interfaces USB (usb to serial using CP) RS232 with MAX232 TTL pin breakout (RXD,TXD,GND) SIM 900A GSM GPRS Module feature General features •Dual-Band MHz •GPRS multi-slot class 10/8 •GPRS mobile station class B •Compliant to GSM phase 2/2+ – Class 4 (2 W @900 MHz) – Class 1 (1 W @ MHz) •SAIC (Single Antenna Interference Cancellation) support •Dimensions: mm •Weight: 3.4g •Control via AT commands (GSM and SIMCOM enhanced AT Commands) •SIM application toolkit •Supply voltage range : V •Low power consumption: 1.0mA(sleep mode&BS -PA-MFRMS=9) •Operation temperature: -40°C to +85 °C Default Settings on the board The baud rate is set to when we ship the board. You may change it with AT+IPR = . The echo of characters is turned on by default. Downloads SIM 900 AT commands SIM900_AT_Command_Manual_V1.03.pdf USB Driver To connect GSM Modem with computer USB driver is required, please download from Silicon Labs website. GUI for windows Xplore GSM is a Windows GUI and command line software that can be used to test and evaluate the GSM USB Shield.