The C9271W from Werlatone is a 10 dB Directional Coupler that operates from 100 to 1000 MHz. It can handle up to 100 Watts of CW power, has a directivity of more than 17 dB and flatness of 1 dB. The coupler has an insertion loss of under 0.5 dB and a VSWR of 1.20:1. It is available in a module that measures 7.05 x 3.3 x 1.2 inches with N Type Female and SMA connectors. It can be used for both commercial and military applications.