From the Manufacturer
The new Intel PRO/Wireless 2200BG Mini-PCI Adapter from IBM offers secure wireless connectivity with flexibility and performance for wireless-upgradeable ThinkPad notebooks. This Mini PCI adapter is based on 2 Wireless LAN (WLAN) standards: IEEE 802.11g and 802.11b.
This adapter supports a maximum physical layer throughput of 54 Mbps, with automatic fallback to 48 Mbps, 36 Mbps, 24 Mbps, 18 Mbps, 12 Mbps, 9 Mbps, and 6 Mbps in OFDM mode, and 11 Mbps, with automatic fallback to 5.5 Mbps, 2 Mbps, 1 Mbps in CCK mode. (Effective throughput will be less than these values and will also vary, depending on the usage environment.)
What's in the Box
Intel/PRO/Wireless 2200BG Mini-PCI Adapter, a user's guide, warranty information, and a software CD.
Product Description
* Mini PCI adapter based on IEEE 802.11g and 802.11b
* Offers secure, flexible wireless connectivity for wireless-upgradeable IBM ThinkPad notebooks
* Data transfer rates of up to 54 Mbps in the 2.4 GHz band
* 1 to 54 Mbps for 802.11g; 1 to 11 Mbps for 802.11b
* Seamless roaming and manual selection mode for both standards