Linksys WPC54GR Wireless-G Notebook Adapter w/ RangeBooster
Specifications:

Mfr Part Number: WPC54GR
Features:
High-speed Wireless-G networking for your notebook computer, now with RangeBooster performance enhancement
New RangeBooster technology for upto twice the range, reduced dead spots, and upto 35% more throughput
Also interoperates with standard Wireless-G and Wireless-B networks
Advanced wireless security: Wi-Fi Protected Access (WPA), and Upto 128-bit encryption
Standards: IEEE 802.11g, IEEE 802.11b
Channels: 11 Channels (USA, Canada); 13 Channels (Europe)
LEDs: Power, Link
Protocols: 802.11b - CCK (11 Mbps), DQPSK (2 Mbps), DBPSK (1 Mbps); 802.11g - OFDM
Transmitted Power: 802.11g - 16 ± 1dBm; 802.11b - 19 ± 1dBm
Receive Sensitivity: 11Mbps @ -90dBm; 54Mbps @ -78dBm
Security Features: WEP, WPA
WEP Key Bits: 64/128 Bit
Certifications: FCC, Wi-Fi
Dimensions: 4.76 x 0.59 x 2.13 inch / 121 x 15 x 54 mm
Weight: 1.76 oz / 0.05 kg