The SATR02-1-90-12.4-A5 from Sainty-Tech Communications Limited is a RF Variable Attenuator with Frequency DC to 12.4 GHz, Attenuation Range 0 to 90 dB, Attenuation Accuracy ±1.5 to 2.5 dB, Power 2 to 25 W, Peak Power 53.01 dBm. Tags: Module with Connectors, Rotary. More details for SATR02-1-90-12.4-A5 can be seen below.