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
Amazon.com: Chaowei TV Antenna Extension Coaxial Cable(15ft) with Coaxial Coupler,F Type Connector-Ideal for Digital TV Aerial, Satellite Cable Extension-15 Feet : Electronics