The C10561 from Werlatone is a bi-directional coupler that operates from 20 to 1000 MHz. This coupler has a coupling value of 50 dB, directivity of over 20 dB and an insertion loss of 0.1 dB. It can handle up to 250 watts of power and has been designed to operate at rated power into severe load mismatch condition. It is available as a surface mount unit and is ROHS complaint.