The Model 592-394-001 100 ohm termination is usable from DC to 4 GHz with a 1 W average. VSWR is 1.25:1 and operating temperature range is – 55° C to +100° C. The unit is 1.53 in. long with a 0.5 in. diameter body and 0.437 in. across flats. The device is useful to calibrate the measurement chain of an anechoic chamber.