Features of GSM Modem :
· This GSM modem is a highly flexible plug and play modem based on tri-band/quad-band SIM300/SIM900 GSM module.
· RS232 Interface with Hardware Flow Control Support.(5 wire Serial interface with TX, RX, RTS, CTS & GND signals).
· Support to Power ON/OFF GSM module from Microcontroller. It will be useful for Self-Reset functionality in Self Monitor Applications.
· Supports features like voice, data / fax, SMS, GPRS and integrated TCP / IP stack.
· Control via AT commands (GSM 07.07, 07.05 and enhanced AT commands)
· AC/DC 9-12 V /1.5 A Power Input.
· 4 Pin 0.1" connector for Speaker & Mic connectivity.
· RTC Battery holder.
· Current consumption in normal operation 250 mA, can rise up to 1.5 A while transmission.
Interfaces :
· RS-232 Interface with Hardware Flow Control support.(5 signals - TX, RX, RTS, CTS & GND through D-type 9 connector).
· Serial port baud rate adjustable 1200 to115200 BPS.
· 4 pin 0.1" connector for Speaker & Mic connection.
· 8-pin flip type SIM card holder.
· DC socket for Power Adapter.
· Rubber Duck GSM antenna (Optional).
· LED status for Power, Signal and Incoming Call.Post by Ritika Kataria Telecommunications @2012-04-05 18:52:11