his product is a PCMCIA to GSM/GPRS Card. It provides tri-band EGSM900, GSM1800 and GSM1900 capability to notebook PCs. This product uses GPRS module and Oxford PCMCIA to UART bridge controller. Features: ■ Tri-band EGSM900, GSM1800 and GSM 1900. ■ GPRS multi-slot class 10- GPRS mobile station class B ■ Compliant to GSM phase 2/2+- Control via AT commands ■ Supports Windows 98se, Windows 2000, Windows ME, Windows XP Specifications: Interface : ■ PCMCIA Interface Provide PCMCIA 68pin connector for attachment to PC's. ■ GPRS Module SIM application tool kit Tri-band Antenna. ■ SIM Interface Supported SIM card: 3V. External SIM card reader. ■ Audio Interface 4 point ear phone jack Support Data, Voice, SMS and Fax function : ■ Data CSD transmission rates: 9.05 , 13.4 , 15.6 , 21.4 kbps. GPRS data downlink transfer: max. 85.6 kbps GPRS data uplink transfer: max. 42.8 kbps Coding scheme: CS-1, CS-2, CS-3 and CS-4 Supports 2 protocols PAP (Password Authentication Protocol) and CHAP (Challenge Handshake Authentication Protocol) commonly used for PPP connections. Support of Packet Switched Broadcast Control Channel (PBCCH) allows you to benefit from enhanced GPRS performance when offered by the network operators. Unstructured Supplementary Services Data (USSD) support ■ Fax Group 3,Class 2 ■ SMS MT, MO, CB, Text and PDU mode SMS storage: SIM card plus 25 SMS locations in the mobile equipment Transmission of SMS alternatively over CSD or GPRS. Preferred mode can be user-defined. Environmental : Operating Ranges Operating : Temperature 0 ~ 55℃ Humidity 10%-95% Storage : Temperature -20 ~ 65℃ Humidity 10%-95%5. Power Consumption : Operation max Operation Current : 840 mA/5V Class 4 (2W) at EGSM900. Class 1 (1W) at GSM1800 and GSM 1900.6. LED Indication : Power LED- Active LED Drivers support : Windows 98se/ME/2000/XP SP