CESS Balun 75/300 ohm TV Connector Antenna Matching Transformer (2 Pack) FM Antenna Matching Transformer 300 to 75 ohm / 75 To 300 ohm. Quick Connect PAL and F-type TV Matching Transformer. Converts 300 ohm to 75 ohm. Use to Convert the 300 ohm Twin Lead Wire to a 75 ohm Connector. Package included 2 Antenna Connectors and 2 PAL-F Adapters