The D63A020040-E6B_A from Panda Microwave is a RF Variable Attenuator with Frequency 2000 to 4000 MHz, Attenuation Range 63 dB, Power 1 W, Insertion Loss 3.6 dB, Control Voltage -5 to 5 V. Tags: Module with Connectors, Digital, Programmable. More details for D63A020040-E6B_A can be seen below.