The 4428C from ARRA is a variable phase shifter that provides a phase shift of 180° /GHz from DC to 4 GHz. This phase shifter can handle up to 100 watts of power and 5kW of Peak power. It has an insertion loss of less than 0.75 dB up to 4 GHz and an insertion delay of under 2.3 nsec. This phase shifter can be controlled by a 1/4&rdquo non translating shaft and as an optional digital readout and shaft lock option. It is available in a module with SMA or N Type connectors.