The AT-6000-30V from UMCC is a RF Variable Attenuator with Frequency 600 MHz to 6 GHz, Attenuation Range 30 dB, Power 1 W, P1dB 30 dBm, Insertion Loss 2 dB. Tags: Module with Connectors, Voltage Controlled. More details for AT-6000-30V can be seen below.