This rugged WLAN, ISM and Video system dome antenna is built from ABS UV resistant plastic for use in industrial applications. Supports both 2.4 and 5 GHz frequencies, and gain is 2.0 dBi without a ground plane. Can be installed on fiberglass or a plastic housings up to 3/8" thick. No ground plane is required. It secures with a lock nut and washer thru a 5/8" hole. Includes a 1' jumper