The WMC-0.5-2-10dB-S from Werbel Microwave is a Directional Coupler with Frequency 0.5 to 2 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.75 to ±1 dB, Directivity 23 to 25 dB. Tags: Module with Connectors. More details for WMC-0.5-2-10dB-S can be seen below.