The Keysight Technologies N9355G series of power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components, like network analysers, spectrum analysers, and amplifiers, from excess RF power, DC transients and ESD. Minimize your measurement uncertainty and improve your measurement accuracy with the limiter’s superior RF performance.

Broad frequency range up to 54 GHz maximizes the operating range of your instrument
High power protection prevents damage by undesired ESD and excess RF power
Bi-directional utilization eliminates orientation errors – Integrated DC block provides protection from DC transients
Exceptional return loss improves calibration accuracy
Low insertion loss maximizes available power