The VA 11A - PQB- (***-***)-B from The Waveguide Solution is a Waveguide Attenuator with Frequency 3.3 to 4.9 GHz, Average Power 4 W, Attenuation 0 to 40 dB, Insertion Loss less than 0.2dB. More details for VA 11A - PQB- (***-***)-B can be seen below.