RCA Outdoor Matching Transformer - Black Brass F-Connector - Converts Flat Antenna Leads to Coaxial Cable - Weather-Resistant - 75-Ohm to 300-Ohm Signal Upgrade in the Video Connectors department at Lowes.com
86 Type RJ45 TV Antenna+Network Adapter Coaxial Output Faceplate Panel Socket | eBay
Electric Inside Cable Satellite TV Antenna Outlet Socket for Home Hotel - China TV Socket, Wall Socket | Made-in-China.com
TV aerial plug - Wikipedia
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QCE Slimline Twin TV Outlet Antenna Socket for PAY TV (F-Type) | WSTVFS/2