This wireless network card is an Internet access device that is launched for the CDMA1X network. Within the coverage of the CDMA1X network, you may surf on Internet anywhere anytime at a rate up to 230.4Kbps in the 'notebook + CDMA wireless network card' mode. It features high speed, wide coverage and fewer drops. Scope of Application Mobile office and management wireless Internet access Wireless data transmission Voice communication Message receiving/transmitting and group sending Construction of mobile data VPN/VPDN application for enterprise and other marquee accounts Features Internet access, email receiving/sending Supporting VPN/VPDN enterprise private network Supporting bi-directional voice, messaging and message group sending Telephone directory and electric information management Call records, fee setting, access time, history traffic statistics, amount statistics Benefits and specifications Working with industrial level modules and Qualcomms 6050 chipset to provide excellent performance Separate UIM card, compliant with China CDMA800MHZ standard and supporting IS95A/B and . CDMA20001X-RTT Standard PCMCIA II interface Data transmission rate 230.4Kbps Working frequency Transmitting 824MHz-849MHz,receiving 869MHz-894MHz Number of channels,40 Channel bandwidth,1.25 MHz Receiving sensitivity,-104dBm Maximum RF output power,23 dBm -30 dBm Power supply voltage,3.0 - 3.6V Supply power current,Standby less than 5mA Sleep less than 10 mA Max. less than 350 mA Fully accommodated in the PCMCIA slot for real integration with the notebook . Metal wire material of the case boasts unique personalization. Retractable antenna supports 360?rotation, UIM card extractor, plus typical personalized design. The hot-plug gable capability allows installation/uninstallation of the network card anytime without rebooting OS. Supporting WIN98/ME/2000/XP/ vista Chinese/English versions, highly compatible .