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 using a flat 300-ohm cable. For VHF or a cable box connection, 75-ohm coaxial screw-on connectors are provided. See the diagram below for the various connecting applications. ©Misterßetamax go to homepage