The CHP(7/16)25-50 from Narda-ATM is a Dual Directional Coupler with Coupling 50 dB, Frequency 4 to 8 GHz, Peak Power 10 kW, Average Power 1400 W, Insertion Loss 0.15 to 0.2 dB. Tags: Module with Connectors. More details for CHP(7/16)25-50 can be seen below.