The 2020-4018-20 from MACOM is a Directional Coupler that operates from 7 to 12.4 GHz. The 20 dB coupler has an insertion loss of 0.3 dB and an isolation of 38 dB. This non-RoHS coupler is designed to provide sampling of the RF Power propagating in one direction on a transmission line. The 2020-4018-20 meets MIL-E-5400 environments and is ideal for ISM, aerospace and defense applications.