The AT-6000-60V from UMCC is a RF Variable Attenuator with Frequency 600 MHz to 6 GHz, Attenuation Range 60 dB, Power 1 W, P1dB 30 dBm, Insertion Loss 3.8 dB. Tags: Module with Connectors, Voltage Controlled. More details for AT-6000-60V can be seen below.