Cisco Aironet 11.5" 6-dBi Omnidirectional Antenna (AIR-ANT5160V-R) 11.5-inch Omnidirectional Colinear Array Antenna 5150 up to 5875 MHz Frequency, 50 Ohms 2:1 VSWR Bandwith 5150 up to 5850 MHz Wind rating 125 mph (200 kph) Designed to be used with Cisco 5 GHz Access Points