This Betamax has VHF and UHF connections for use with an outdoor antenna or cable box. For UHF a block of four screws (two pairs) for IN and OUT are available for attaching an antenna with a flat 300 ohm cable. For VHF or a cable box connection 75 ohm coaxial screw-on connectors are used. See the diagram below for the various connecting applications. ©Misterßetamax go to homepage