The AT10030A-30-U from Amtery is a RF Variable Attenuator with Frequency 10 to 30000 MHz, Attenuation Range 0 to 31.5 dB, Attenuation Step 0.5 dB, Power 0.50 W, IIP3 48 dBm. Tags: Module with Connectors, Programmable. More details for AT10030A-30-U can be seen below.