Universal 4.7inch Carbon Fiber Replacement antenna for FM/AM Radio Signal Car Aerial AntennaA car metal antenna is a device mounted on a vehicle to enhance radio signal reception. The long, often flexible metal rod that extends upward from the car. It can be telescopic (extendable) or fixed. The part that attaches the mast to the car's body. It is usually mounted on the roof, fender, or trunk. Connects the antenna to the radio receiver inside the car, usually running through the vehicle's body to avoid exposure to elements. The captured