Laird Technologies VHF Phantom Low Visibility Antenna 150-168, Black The VHF Phantom low visibility antenna's exterior is made of high impact ABS plastic suitable for inside or outside use. It's field tunable and offers approximately 1 MHz bandwidth. Features include a gold-plated pushpin contact, O-ring seal in base and closed-cell foam mount pad that seal out moisture. The insert molded mount bushing will not leak. Ground plane is required.