The C-1002-06 from Werbel Microwave is a Directional Coupler that operates from 0.5 to 2 GHz. This 6 dB coupler has a directivity of 23 dB and a frequency sensitivity of ±0.75 dB. It can handle a CW input power of up to 1 W and has a mainline loss of less than 2 dB. The coupler is available in an Aluminum module that measures 3.6 x 0.6 x 0.38 inches with SMA-female connectors and is designed for indoor applications.