Model FMP145 is a space-qualified L-band isolator from TRAK Microwave capable of handling150 W CW power and 400 W peak power from 1.355 to 1.405 GHz. The insertion loss is typically less than 0.35 dB across the full operating temperature range from -35 to +70C. The isolation is 20 dB and the VSWR is 1.250:1. The isolator is screened to MIL-PRF-39012 with a high-power termination screened to MIL-PRF-55342. The L-band isolator measures 2.25 x 2.50 x 0.750 in. with TNC connectors.