The WTA 110-170 | 4700059 from Radiometer Physics GmbH is a Waveguide Attenuator with Frequency 110 to 170 GHz, Average Power 0.1 W, Attenuation 0 to 40 dB, Insertion Loss 0.25 dB. Tags: Calibrated Attenuator. More details for WTA 110-170 | 4700059 can be seen below.