EVDO USB MODEM 800mhz cenny[at]veecom.com.cn Features: Voice/DATA Service Robust Design for Telematics Antenna Diversity Support Analog Audio Interface SMS (Short Message Service) Standard RS-232 Interface(2UART) USB Interface Minimal Power Consumption Ear-phone Detection Standard & Extended AT Command Set External Reset Input Various Status indications - Unread short message - Low battery alert Specifications: Frequency Band Receive Frequency Range : 1840-1870MHz Transmitting Frequency Range : 1750-1780MHz Air-Interface : IS-95A/B, CDMA 2000 1xRTT CDMA 2000 1x EV-DO Data Transmission Speed : up to 2.4Mbps CDMA 2000 1x EV-DO : up to 2.4 Mbps CDMA 2000 1x RTT : up to 153.6Kbps Receiver Sensitivity :  I'm Cenny, a sales manager of Bell Data Communication Equipments Co., Ltd , a China local  manufacturer . Our products brand is VeeCOM(LANBEL) .   Our major products series are:G.703/E1 to V.35 and ethernet Converters/DSL CPE/ADSL  SYSTEM/Multiplexers/Bridges/Modems/Switch/E1&T1 equipment/Fiber Equipment/wireless  modem/ADSL modem