The ZX76-15R5-SN from Mini Circuits is a RF Variable Attenuator with Frequency 0 to 4000 MHz, Attenuation Range 15.5 dB, Attenuation Step 0.5 dB, Power 158 W, Switching Time 1 µSec. Tags: Module with Connectors, Programmable, Digital. More details for ZX76-15R5-SN can be seen below.