The 50MAP127-1.6G from Amplical Corporation is a RF Variable Attenuator with Frequency DC to 1.6 GHz, Attenuation Range 127 dB, Attenuation Step 1, 2, 4, 8, 16, 32, 64 dB, Attenuation Accuracy 0.5 to 1.0 dB, Power 1 W. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50MAP127-1.6G can be seen below.