Amazon.com: ENERLITES Ethernet Coax Wall Plate, RJ11 and Coax/F-Type Connector Wall Plate for High Speed Data Transfer and Satellite TV Cable, 6P4C Phone Jack, 6641-W, White : Electronics
Amazon.com: BUPLDET Coax Ethernet Phone Wall Plate - 1 Port Cat6 RJ45 + 1 Phone Jack Cat3 RJ11/RJ12 + 1 Port Coax Cable TV- F-Type : Electronics
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
Monoline Coax Balun - Male BNC to RJ45 jack 10BaseT - 75 Ohm | Computer Cable Store