The listing, Sony Ericsson Wireless Adapter - WiFi Card GC89 - Hotspot Ready (PCMCIA) has ended.
Wireless LAN PC Card GC89
This works as a WIFI card (even if you have no T-Mobile sim card), but you need a T-Mobile SIM card with Hotspot feature to use EDGE connection.
The GC89 EDGE/Wireless LAN PC Card makes mobile working a practial reality. It combines speed, freedom and convenience all in one card. The GC89 quad-band data card gives true global coverage and high-speed data connection over GSM EDGE/GPRS networks or Wi-Fi Hotspots (802.11g & 802.11b). You can enjoy fast and easy access to the internet, email, corporate networks and services - anytime, anywhere.
Functionality: External antenna connector
Networks: EDGE, GSM 850, GSM 900, GSM 1800, GSM 1900
Features:
802.11g and 802.11b Standard
A handy solution for laptop users at home, at work or abroad.
Access corporate data and use standard applications including email and internet browsers.
Compatible with all popular VPNs
EDGE/GPRS Max speed: up to 247 kbps downlink, 123 kbps uplink
GSM EDGE, GPRS, CSD
Phonebook, SMS, Online Services, IT Manager Customization applications.
Quad Band GSM EDGE/GPRS (850/900/1800/1900 MHz)
SIM Card authentication methods for Wi-Fi, including EAP-SIM.
Sleek and compact design
True Global GSM Coverage
Wi-Fi Max speed: up to 54 Mbps
Windows 98SE, Me, 2000, XP, Vista and Mac OS X
Comes in T-Mobile logo