The Dual-Band 802.11a/g 7/5 dBi Indoor Omni Antenna with Mounting Base from TRENDnet
is a powerful antenna that you can add to an 802.11b/g or 802.11a
wireless device. It connects via a Reverse SMA female connector. The
antenna will help increase the strength of outgoing signals and increase
reception of incoming signals, helping improve your wireless network
communications.