The I4-WR112-01-9300-1-Xw from AFT microwave GmbH is a Waveguide Isolator with Frequency 9290 to 9310 MHz, Bandwidth ±10 MHz, Insertion Loss 0.2 dB, Power 2000 W, Power fwd 2 kW. Tags: Ferrite Junction Isolator. More details for I4-WR112-01-9300-1-Xw can be seen below.