Measurement Peripherals and specialised hardware is covered by this section. The first sub section is Thru-line Attenuators DC-18GHz. The products are mainly those of “Bird” or “Weinschel”. The ranges run from 3dB to 20dB units. Be sure to choose the correct wattage to cover your application. Generally, the wattage value should be about 2dBs above the power in watts of the amplifier one is using. Almost all units are fitted with “N” connectors (male to female).