The CC-*-900-100 from RLC Electronics is a Dual Directional Coupler with Coupling 6 to 50 dB, Coupling Variation ±0.5 to 1.5 dB, Frequency 850 to 950 MHz, Average Power 500 W, Insertion Loss 0.20 dB. Tags: Module with Connectors. More details for CC-*-900-100 can be seen below.