USB 2.0 WiFi Adapter 300M 2.4GHz WiFi Antenna RTL8192 Dual Band Network Card

Antenna type: internal. Interface: USB 2.0 and 1.1. Frequency: 2.412??. 2.484ghz ISM band. Net weight: 4g. Security: 64/128 bit WEP (hex and ASCII).

eBay