The CP20018P50-20 from Amtery is a Bi-Directional Coupler that operates from 0.5 to 18 GHz. In the forward direction, it provides a coupling of 20 dB with ±0.9 dB coupling flatness and has a directivity of up to 18 dB. In the reverse direction, the coupler provides a coupling of 19 dB with ±1.3 dB coupling flatness and has a directivity of up to 18 dB. It can handle an average power of 50 W, a peak power of 2000W and has an insertion loss of less than 1.1 dB. The coupler has a mainline VSWR of less than 1.5:1 and a coupled line VSWR of less than 1.45:1. It is available in a module that measures 133.1 x 23.7 x 15.6 mm with SMA female connectors.