The 50MAP31.5SS from Amplical Corporation is a RF Variable Attenuator with Frequency 2 MHz to 4 GHz, Attenuation Range 31.5 dB, Attenuation Step 0.5, 1, 2, 4, 8, 16 dB, Attenuation Accuracy 0.3 dB, Power 0.32 W (P1). Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50MAP31.5SS can be seen below.