The 2CN1225-20 from Werbel Microwave is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±2 dB, Frequency 120 MHz to 2.5 GHz, Average Power 50 to 100 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for 2CN1225-20 can be seen below.