The VDC-0510-10 from VidaRF is a Directional Coupler with Frequency 500 MHz to 1 GHz, Coupling 10 dB, Coupling Variation ±0.70 dB, Directivity 25 dB, Average Power 5 to 50 W. Tags: Module with Connectors. More details for VDC-0510-10 can be seen below.