GSM/GPRS Modem-RS232 is built with Dual Band GSM/GPRS engine - SIM900Awhich works on frequencies 900/1800 Mhz. The Modem comes with RS232 interface, which allows the user to connect PC as well as microcontroller with RS232 Chip(MAX232). The baud rate is configurable from 9600- 115200 through AT comm..
The SMA connectors are semi-precision coaxial RF connectors developed for coaxial cable with a screw type coupling mechanism. The connector has 50 Ω impedance. It is designed for use from DC to 18 GHz.Features of SMA Connector.Light weight, compact and vibration proof design.Low cost commercial grad..