Used on 4940-01-551-2884;maintenance facility, transportable. vswr: 1.50; accuracy: dc-8.0 ghz: plus or minus 0.08, 8.0-12.4 ghz: plus or minus 0.09, 12.4-18.0 ghz: plus or minus 0.17; resistance (ohms) : 33.3; calibration: data provided 2 to 18 ghz, 1ghz step, calibration impedance reference: 50 ohms, power handling: 1 watt average, 1 kw peak