The VA 16 - PQB- (***-***)-B from The Waveguide Solution is a Waveguide Attenuator with Frequency 8.2 to 12.4 GHz, Average Power 1 W, Attenuation 0 to 40 dB, Insertion Loss less than 0.2dB. More details for VA 16 - PQB- (***-***)-B can be seen below.