The AT-AB00-HV from UMCC is a RF Variable Attenuator with Frequency 350 to 700 MHz, Attenuation Range 0 to 60 dB, Power 1 W, P1dB 30 dBm, Insertion Loss 1.7 dB. Tags: Module with Connectors, Voltage Controlled. More details for AT-AB00-HV can be seen below.