The AT-C000-HV from UMCC is a voltage variable attenuator that operates from 1 to 2 GHz. It has an attenuation range of 60 dB with an insertion loss of 1.7 dB and VSWR of 1.45:1. The attenuator has a control voltage from 0 to 6 V (10 dB/Volt). It can handle up to 14 dBm of power and has a settling time of 500 ns. The AT-C000-HV is available in a module with SMA Connectors.