Combiners allow several radio channels to operate at one site using a common antenna.The MCPD 280 V double bridge combinersguarantee isolation between channels with respect to manifold or starpointcombiners. They are composed by two 280mm VHF cavities and two hybrid devices. Expansion of channels is done easily in the field without need of instrumentation or cavity retuning.Each channel is allocated in a single 5 unit cabinet. Up to 8 channels in the VHF range can be installed in a 42 units, 25”standard rack. . Additional channels (up to 16) can be added.