The MPAT-05840643 from Narda-MITEQ is a RF Variable Attenuator with Frequency 5.845 to 6.43 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-05840643 can be seen below.