The SATPXX-1-20-1-B from Sainty-Tech Communications Limited is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 0 to 20 dB, Attenuation Step 20 dB, Attenuation Accuracy ±0.2 to 0.4 dB, Power 2 to 10 W. Tags: Module with Connectors, Pushbutton. More details for SATPXX-1-20-1-B can be seen below.