The SATR02-3-99.9-8-A9 from Sainty-Tech Communications Limited is a RF Variable Attenuator with Frequency DC to 8 GHz, Attenuation Range 0 to 99.9 dB, Attenuation Accuracy ±0.5 to 3 dB, Power 2 to 10 W, Peak Power 53.01 dBm. Tags: Module with Connectors, Rotary. More details for SATR02-3-99.9-8-A9 can be seen below.