The BS450U Series are Base Station Antennas.
Reliable Performance: Rated at 250 watts with unity gain, you can expect years of continuous service.
Rugged Construction: The radiating elements are copper & copper alloy. In addition, they have fiberglass radome for total environmental protection.
Weatherproof: It has a fiberglass radome that is ultraviolet inhibited. The heavy wall aluminum mounting sleeve is epoxy coated for superior weather protection.
Lightweight: These antennas are lightweight at less than 5 lbs (11 kg). However, they easily withstand winds of over 125 MPH.
Simple installation: Using the optional BSMNT2 Mounting Kit, installation takes only minutes.
Comtelco antennas, now a Mobile Mark brand.