The 152T-75 from Weinschel by Spectrum Control is a RF Variable Attenuator with Frequency DC to 26.5 GHz, Attenuation Range 75 dB, Attenuation Step 5 dB, Power 180 W, Insertion Loss 5 dB. Tags: Benchtop, Programmable, Digital, USB Controlled, Computer Controlled. More details for 152T-75 can be seen below.