The DAT-15-480/1S from Pulsar Microwave is a RF Variable Attenuator with Frequency 250 to 500 MHz, Attenuation Range 64 dB, Attenuation Step 0.25 dB, Power 0.1 to 1 W, P1dB 20 to 27 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for DAT-15-480/1S can be seen below.