The CC450-3 is a wideband power divider type coupler. It can be used to combine two or three antennas with minimum system loss. It is rated at 125 Watts and weighs less than 2 lbs. This model’s Frequency coverage is 300-520 MHz. The Radome for this product is 5″ x 7″. As a combiner, this unit provides maximum signal transfer between any combination of omni-directional or directional antennas. A 50 terminator is required when only two antennas are used.