Philmore Outdoor TV Antenna Matching Transformer Balun VHF/UHF/FM 300 To 75 Ohm Connect your outdoor or indoor rabbit ear type antenna to TV with coaxial type input. Use to connect older TVs with flat cable input to coaxial cable. Superior three capacitor design for effective blocking. Hermetically sealed molded PVC case assures weather resistance. Supplied with protective plastic removable boot.