Digital Antenna 4' AM/FM Antenna - Black. While most active antennas are designed for outdoor applications Digital Antennas is well known for having the best looking and highest performing antennas for boats and marine use. Tested and tuned by hand this Digital Antennas AM/FM Antenna is designed to withstand the elements of the sea and the elements of the sky. The Digital Antennas Active EFX Radio features a heavy duty 15' low-loss RG-8X cable perfect for your boat. You're out at sea you'll want to take along the Digital Antennas 4' AM/FM Antenna with you to stay in the know. Specifications for Digital Antenna 531-AB 4' AM/FM Antenna: Manufacturer: Digital Antenna Color: Black Cable Length: 15 ft Fabric/Material: Fiberglass Features of Digital Antenna 531-AB 4' AM/FM Antenna Antenna Band: AM/FM Cable Length (Feet): 15' Cable Type: RG-8X Color: Black Construction: Fiberglass Ferrule Type: Stainless Steel Length (Inches): 4' Package Contents: Digital Antenna 531-AB 4' AM/FM Antenna Digital Antenna 531-AB: 531-AB 4' AM/FM Antenna - Black