The VDDC0510A20 from VidaRF is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±1 dB, Frequency 500 MHz to 1 GHz, Average Power 50 W, Insertion Loss 0.5 dB. Tags: Module with Connectors. More details for VDDC0510A20 can be seen below.