4-Way F-Type F Connector Cross-Shaped Coaxial Adapter F-Male ⇔ F-Female Male x1 Female x3 Distribution Adapter RF Plug TV Extension Relay 1 piece ■ Screw-type connector RG6 coaxial adapter. Connects 3 indoor antennas, compatible with terrestrial digital/4K/8K. ■ Impedance: 50Ω | Connector treatment: Nickel plating ■ Compatible equipment: Cable boxes, TVs, satellite receivers, VCRs, cable modems, off-air antennas, antennas, coaxial cables, terrestrial digital broadcasts, BS/CS splitters, antenna outlets, radio wave switchers, security cameras, etc., or widely used for extending the connection of other digital audio/video component settings indoors or outdoors. E663_FSoket_Cross_Spriter_1Pc