The JC20006000P54C50 from RFTR Electronics is a Directional Coupler that operates from 2000 to 6000 MHz. This 50 dB coupler provides a directivity of 20 dB. It can handle a CW input power of 250 W and has an insertion loss of less than 0.2 dB. This coupler is available in a compact module that measures 52.6 x 48.7 x 27.9 mm with N-type (female) and SMA-female connectors.