The AM0040PM-VVA from AMCOM Communications, Inc. is a RF Variable Attenuator with Frequency DC to 4 GHz, Attenuation Range 34 dB, Power 0.5 to 3.98 W, P1dB 33.01 dBm, IIP3 50 dBm. Tags: Module with Connectors, Voltage Controlled. More details for AM0040PM-VVA can be seen below.