The MPAT-04500480 from Narda-MITEQ is a RF Variable Attenuator with Frequency 4.5 to 4.8 GHz, Attenuation Range 10 to 60 dB, Insertion Loss 2.2 dB, Supply Voltage 0 to 20 V. Tags: Module with Connectors, Voltage Controlled. More details for MPAT-04500480 can be seen below.