The 150T-11 from Weinschel by Spectrum Control is a RF Variable Attenuator with Frequency 0 to 18000 MHz, Attenuation Range 0 to 31 dB, Power 100 W, Insertion Loss 1.5 to 1.90 dB. Tags: Benchtop, Programmable, Digital, Computer Controlled. More details for 150T-11 can be seen below.