It's the correct sensor. The W2 reads the K3 output. But when it's cabled to the Elecraft 6m Transverter, there is no power reading. I sometimes see a few green LED's for 1.3 to 1.5 VSWR. Never a power reading. -- Bob KD7YZ http://www.qrz.com/db/KD7YZ www.denstarfarm.us/LGD