STE-SF422-S1 is a Q-Band X4 frequency extender that uses an input frequency range of 8.25 to 12.5 GHz at +5 dBm along with harmonic generation and filtering to produce a 33 to 50 GHz RF signal.The extender is designed and manufactured as a bench top unit to extend the low frequency synthesizer or sweeper, such as Eravant Access model STL-SG-022203-S1, without losing all of the functionalities and features. The extender also features adjustable legs, which can also be removed, to allow for an easy test set up.