Quick Overview
GSM/GPRS Modem-RS232 is built with Dual
Band GSM/GPRS engine- SIM900A, works on frequencies 900/ 1800 MHz. The
Modem is coming with RS232 interface, which allows you connect PC as
well as microcontroller with RS232 Chip(MAX232). The baud rate is
configurable from 9600-115200 through AT command. The GSM/GPRS Modem is
having internal TCP/IP stack to enable you to connect with internet via
GPRS. It is suitable for SMS, Voice as well as DATA transfer application
in M2M interface. The onboard Regulated Power supply allows you to
connect wide range unregulated power supply . Using this modem,you can
make audio calls, SMS, Read SMS, attend the incoming calls and internet
ect through simple AT commands.
GSM SIM 900A module with Stub Antenna and SMA connector
- Dual-Band GSM/GPRS 900/ 1800 MHz
- RS232 interface for direct communication with computer or MCU kit
- Configurable baud rate
- Stub Antenna and SMA Connector.
- SIM Card holder.
- Built in Network Status LED
- Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
- Input Voltage: 12V DC.
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