Contact: amily[at]veecom dot com dot cn GPRS200 MODEM as a standard RS232c interface, result in widely extending the applicable fields of GPRS. It can be applied in the desk computer, notebook computer and other control system terminal. It has a highly frequency stability. PRODUCT FEATURES: Always on-lined and high-speed connection. Easily installation: Neednf+t any driving program. It can be dialed-up using RS 232 interface with common modem. DualBand GSM/GPRS modem (EGSM900/1800MHZ,900/1900MHZ) designed for gprs Networkf=Data faxf= SMS and voice application. Transmitting speed: 115.2K BPS (theoretical), 30f¼50K BPS (under the CHINA Mobile network) Channel spaces: 200Kpbs Stability of frequency: 0.1ppm Operating temperature:-20ºC--+60ºC Storage temperature: -30ºC--+85ºC Humidity: 98% Vibration(non working): 25g. Operating power: 15mA INTERFACES RS-232C and audio through mini sub-D 9-pin connector supporting: Remote control by AT commands(GSM07.07 And 07.05) Audio use a stereo earphone connecter antenna interface 50 ohm MMCX connecter LED indecter SMA Sliding SIM holder(3V/5V SIM interface) Antenna vonnector 6V-15V DC POWER SUPORT OPERATION SYSTEM DOS,WINDWS 9X,ME,NT,2000,XPf=LINUXf=UNIXf=POCKET PCf=MAC APPLICATION: Remote controller, Integrating system. DIMENSIONS: 100x54x25mm WEIGHT: 200g.