The D20B005265 from Fujian MIcable is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±0.9 dB, Frequency 0.5 to 26.5 GHz, Peak Power 3000 W, Average Power 30 W. Tags: Module with Connectors. More details for D20B005265 can be seen below.