NeweggBusiness - KMR240 Coax Extension Cable N Male to N Male Connector Pure Copper Low Loss Coaxial Cables for 3G4G5GLTEGPSWiFiRFHamRadio to Antenna or Phone Signal Booster Use 50 OhmNot for TV
Amazon.com: Male to Male Coax Connector, 2-Pack 75 Ohm F Type RG6 Coaxial Cable Adapter, Cable Extension Coupler for TV, Antenna, Splitter, Amplifier : Electronics
THE CIMPLE CO - Coaxial Cable Extension Adapter - 4 Pack - with Washer and Nut - Walmart.com
Amazon.com: GE Coaxial Cable Extension Adapter, 10 Pack, Works On F-Type Cables, Compatible with All Brands of Coax Cables, Simple Setup, Nickel Plated, 73327 : Electronics