The DC1300M200B40C50PN-01 from Dyne Tech is a Directional Coupler with Frequency 1.2 to 1.4 GHz, Coupling 40 dB, Coupling Variation ±1 dB, Directivity 15 dB, Average Power 50 W. Tags: Module with Connectors. More details for DC1300M200B40C50PN-01 can be seen below.