11930B Maximum Frequency, Keysight Technologies 11930B RF Power Limiter, 6GHz max, 50Ω, 30V dc max, 10W max input

The Keysight Technologies 11930B limiter provides input protection for a variety of RF and microwave instrumentation. Failure mode for the limiter is either an open circuit or a short circuit to ground, thereby protecting the instrument from damage. The Keysight 11930B provides the same protection to spectrum analysers and sources.
Features superior RF performance with greater than 24 dB return loss and -40 dB repeatabilityUnmatched quality and reliability minimizing measurement uncertaintySuperior performance optimizing your test equipment capability