The RKT150G4A10 from RF-Lambda is a RF Variable Attenuator with Frequency 900 MHz to 4 GHz, Attenuation Range 10 dB, Power 150 W, Insertion Loss 0.5 dB, Operating Temperature -10 to 50 Degree C. Tags: Module with Connectors, Rotary, Continuously Variable. More details for RKT150G4A10 can be seen below.