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
Pearstone BNC Extension Cable with Power for CCTVs BNC-DCP150
Amazon.com: UltraPro Coaxial Cable Extension Adapter Connector, 4-Pack Coupler, for F-Type RG59 RG6 Coax Cables, Female-to-Female Connectors, Connects Two Coaxial Cables to Extend Length, 52167 : Electronics
Amazon.com: VCE 3GHz Coaxial Cable Connector, RG6 Coax Cable Extender F-Type Nickel Plated Adapter Female to Female for TV Cables, 5 Pack : Electronics
Bingfu F Type Male to Female Right Angle RG6 Coaxial Cable Connector Adapter (5-Pack) for Television TV Antenna CATV Digital Vedio Audio Coax Extension Cable - Walmart.com