KEYSIGHT 478A Coaxial Thermistor Mount (10 MHz ~ 10 GHz)

Frequency Range: 10 MHz to 10 GHz

Maximum SWR: 10 MHz to 25 MHz 1.75; 25 MHz to 7GHz 1.30; 7 GHz to 10 GHz 1.50

Available options: 478A-H75 and 478A-H76 for frequency range 1 MHz to 1 GHz (Max. SWR 1.3, 1.05 at 50 MHz). 478A-H76 provides standard lab calibration at 50 MHz

Datasheet