The DCB1085M270B30C100PS-01 from Dyne Tech is a Bi-Directional Coupler with Frequency 950 MHz to 1220 MHz, Coupling 30 dB, Coupling Variation ±1.2 dB, Average Power 85 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for DCB1085M270B30C100PS-01 can be seen below.