The 2-3487-30A from ARRA is a continuously variable coaxial attenuator that operates from 925 MHz to 1.225 GHz. This attenuator has an attenuation range of 30 dB and an insertion loss of less than 0.5 dB. It can handle up to 50 watts of average input power and is available in a module with SMA or N-Type connectors.