Hawking HAI6SIA 2.4GHz 6dBi Hi-Gain Wireless Antenna (Compatible w/Apple Airport Extreme) Works with PC or Apple Airport Extreme (Mac) computers Easy Plug and Play Installation Works with IEEE 802.11b and 802.11g 2.4Ghz Standards Conversion Adapter for Apple Airport Extreme Supports Wireless Connector Adapters (Reverse SMA)