Getic

AOA-2458-59-TFL Omnidirectional Outdoor Antenna DualBand 2.4GHz 5dBi and 5GHz 9dBi 18.4 cm N Female Connector

AOA-2458-79AM Omnidirectional Outdoor Antenna DualBand 2.4GHz 7dBi and 5GHz 9dBi 32.2 cm N Male Connector.

This is a 5/7 dBi omni-directional paddle antenna. It can receive and transmit on both the 2.4 GHz and 5 GHz Wi-Fi bands. This can be used with any brand Wi-Fi adapter or wireless router that uses RP-SMA antenna ports. It can be used with dual band routers and adapters or single band. It is compatible with all Wi-Fi standards including 802.11a b g n and the newest standard 802.11ac.

If you're in the market for a low profile dual band outdoor directional antenna consider this 8 dBi gain panel antenna manufactured by Alfa Network. This has an N-female connector and comes with an N-male barrel converter to fit the Alfa Tube-UAC2. This antenna can be fastened to nearly any surface and can be connected to many different Wi-Fi adapters.