Features: 1. Complies with the CDMA 20001X standard; transmission rate: 230.4Kbps 2. Supports the wireless Internet connection, browsing, receiving and sending conveniently in moving condition 3. Supports Chinese/English message 4. Supports mobile group-sending; in a brand-new messaging mode 5. Supports multi-operating system including Window ME, 2000, XP, Vista, and provide driver program based on Windows, with a high compatibility 6. Supports live-insertion, and easily install or pull out the card without restart 7. Hidden 360-rotatable collapsible mini-antenna, with super signal-seizing ability 8. Provides a indicating lamp of work status 9. Exquisite, durable, stainless steel casing 10. Wireless network card with PCMCIA /USB, Express Card54 interface 11. Comply with the standard of appliance-separates-from-card mode 12. Receiving channel: sensitivity <-104dBm; dynamic variation range <-250dBm   Specifications: 1) Standard USB/PCMCIA/EXPRESS CARD E/ EXPRESS CARD T interface 2) Compatible with standard of unit and card separate 3) Transmit rate: 230.4Kbps 4) Receiving channel receive sensitivity: <-104dBm (FER<1%) 5) Maximum RF output power: 23dBm~30dBm 6) Minimum RF output power: <-50dBm 7) Power supply: 3.0V-3.6V 8) Operation current: 5mA (standby), 10mA (resting), 350mA (transferring date)