The DC1750M1900B15C10PN-01 from Dyne Tech is a Directional Coupler with Frequency 800 MHz to 2.7 GHz, Coupling 15 dB, Coupling Variation ±1.5 dB, Directivity 18 dB, Average Power 10 W. Tags: Module with Connectors. More details for DC1750M1900B15C10PN-01 can be seen below.