The C-1830-30 from Werbel Microwave is a Directional Coupler that operates from 0.3 to 8 GHz. This 30 dB coupler has a directivity of 22.5 and an insertion loss of less than 1 dB. It can handle up to 50 W of input / reverse power and has a frequency sensitivity of ±1.20 dB. The coupler is available in a module that measures 6.00 x 0.73 x 0.5 inches with SMA-female connectors and is suitable for power monitoring applications.