Product Overview
This SIM900 GSM GPRS Modem is a highly flexible plug and play modem based on quad-band SIM900B GSM module. Industrial quality PCB with adequate grounding for better performance and noise immunity. RS232 Interface with Hardware Flow Control Support.(5 wire Serial interface with TX, RX, RTS, CTS & GND signals). Power ON/OFF control pin for auto-reset by Micro-controller. It will be useful for Auto-Reset functionality in Self Monitoring Applications running 24x7x365. Antenna connector has separate ground plane for additional safety. It will isolate modem circuit ground plan in case antenna connector is exposed to inappropriate voltages. Modem Circuit ground plan and antenna ground plan can be connected simply by solder jumper, if required. 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(Optional). Average Current consumption in normal operation 250 mA, can rise up to 500-700 mA during Voice and GPRS connections. Current pulse can be high as 1.5-2 A. 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 reliable SIM card holder. DC socket for Power Adapter.
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424, Kalasagar Shopping Hub, Nr. Sattadhar Cross Road,\015\012Off. Sola Road, Ghatlodia,
This SIM900 GSM GPRS Modem is a highly flexible plug and play modem based on quad-band SIM900B GSM module. Industrial quality PCB with adequate grounding for better performance and noise immunity. RS232 Interface with Hardware Flow Control Support.(5 wire Serial interface with TX, RX, RTS, CTS & GND signals). Power ON/OFF control pin for auto-reset by Micro-controller. It will be useful for Auto-Reset functionality in Self Monitoring Applications running 24x7x365. Antenna connector has separate ground plane for additional safety. It will isolate modem circuit ground plan in case antenna connector is exposed to inappropriate voltages. Modem Circuit ground plan and antenna ground plan can be connected simply by solder jumper, if required. 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(Optional). Average Current consumption in normal operation 250 mA, can rise up to 500-700 mA during Voice and GPRS connections. Current pulse can be high as 1.5-2 A. 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 reliable SIM card holder. DC socket for Power Adapter.
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