The DC-0825-NF-XX from Xiamen HDG Telecom Equipments is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 6 to 30 dB, Directivity 20 dB, Average Power 200 W, Insertion Loss 0.1 to 1.5 dB. Tags: Module with Connectors. More details for DC-0825-NF-XX can be seen below.