The C-5352-06 from Werbel Microwave is a Bi-directional Coupler that operates from 130 to 520 MHz. This 6 dB coupler has a directivity of 25 dB and an insertion loss of less than 2.2 dB. It can handle a CW input power of up to 60 W and reverse power of 3 W. The coupler is available in a module that measures 5.54 x 2.00 x 1.00 inches with N-type (female) connectors and is suitable for UHF, VHF & TETRA applications.