The MPAT-01270148 from Narda-MITEQ is a RF Variable Attenuator with Frequency 1.275 to 1.48 GHz, Attenuation Range 0 to 30 dB, Insertion Loss 2.5 dB, Supply Voltage 0 to 20 V. Tags: Module with Connectors, Voltage Controlled. More details for MPAT-01270148 can be seen below.