The SAA-0406-040-SMA from Fairview Microwave is a RF Variable Attenuator with Frequency 400 MHz to 6 GHz, Attenuation Range 0 to 40 dB, Power 0.19 W, P1dB 23 dBm, Insertion Loss 4 dB. Tags: Module with Connectors, Voltage Controlled. More details for SAA-0406-040-SMA can be seen below.