No Drill Antenna Mounting Plate, Fits 2021 Chevrolet Silverado 2500HD w/o Spoiler, Permanent < $50 50Hz Ambient Temperature: 40°C (104°F)

50Hz Ambient Temperature: 40°C (104°F) Ambient Temperature Rating: 10°C to 40°C Motor Insulation: Class B Sound Level: 75db @ 3ft Start-up Amps: 9

The direct drive unit contains one speed setting and caters to a maximum duct length of 125 feet

The GAU-KFA-PH-45K comes with a

5` to 50` Mast Tower Length: 13

Voltage:  120-240V ACÂ

No Drill Antenna Mounting Plate, Fits 2021 Chevrolet Silverado 2500HD w/o Spoiler, Permanent < $50 50Hz Ambient Temperature: 40°C (104°F)Specifications Additional Information VMP AM GM SLVD 2021 2500HD C Mounting Plate for Antennas Ratings Features: Type: Mounting Plate Durable Construction Compatible Truck Models: 2021 Chevrolet Silverado 2500HD WITHOUT SPOILER Aluminum Mounting Plate & Bracket Frame Material: Aluminum Works with Most Antennas Mounting Plate Material: Aluminum Weatherproof Seal Bracket Material: Aluminum Made in the USA Weight: 3 lb Windload: Highway Speeds Weight