The 4-5814-30 from ARRA is a miniature continuously variable attenuator that operates from 3.6 to 4.3 GHz. The attenuator has an attenuation range of up to 30 dB. It can handle up to 5 watts of average power and up to 3 KW of peak power. This attenuator has an insertion loss of less than 0.5 dB and a VSWR of 1.5:1. It is available in a module with SMA female connectors.