The DC1085M270B30C100PS-01 from Dyne Tech is a Directional Coupler with Frequency 950 MHz to 1.22 GHz, Coupling 30 dB, Coupling Variation ±1.2 dB, Directivity 20 dB, Average Power 100 W. Tags: Module with Connectors. More details for DC1085M270B30C100PS-01 can be seen below.