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Full band Faraday isolators are constructed with a longitudinal, magnetized ferrite rod that causes a Faraday rotation of the incoming RF signal. Although the typical insertion loss of Faraday isolators is slightly higher than its waveguide junction isolator (SNF series) counterpart, their isolation is at least 10 dB higher. In addition, Faraday isolators cover a broader frequency range and possess less insertion phase variation across the entire waveguide band. These characteristics make them ideal for broadband applications, especially in test labs and instrumentations. The below standard offering covers the frequency range of 18 to 170 GHz with 28 dB isolation. For higher isolation, narrowband versions of standard models can be requested.