All-in-one brass structure with nickel-plated surfaceSmall size fit for indoor use.Can be installed separately, or as accessory to optical nodes, amplifier or splitters & taps. Damp proof. Be perfect in restraining feedback noise to terminal customers in bidirectional network transformation.Standard British F connector (F Male to F Female)Bandwidth: 65-85MHz. Customizable according to customers' network demands. High isolation on rejection channel, low insertion on pass channel.Good performance on electromagnetic shielding and waterproof.