Keysight (Agilent) 8493A

Coaxial Fixed Attenuator, DC to 12.4 GHz
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The Agilent 8493A coaxial fixed attenuator provides precision attenuation, flat frequency response, low SWR over broad frequency range at a low price. The attenuator is available in nominal attenuations of 3 dB and 6 dB, also 10 dB increments from 10 dB to 30 dB. This attenuator is swept-frequency tested to ensure it meets specifications at all frequencies. Calibration points are provided on a nameplate chart attached to each unit.

Maximum SWR Specifications
Attenuator AccuracySWRSWR
dc to 8 GHz8 to 12.4 GHz
3 dB1.251.35
6 dB1.21.3
10 dB1.21.3
20 dB1.21.3
30 dB1.21.3

Superior RF Performance

  • Frequency Range: DC to 12.4 GHz
  • Maximum SWR: See table below for Maximum SWR Specifications

Power handling

  • Maximum Input Power: 2 W (average), 100 W (peak)


  • Connector: SMA male, female
List of Options
003 3 dB attenuator
006 6 dB attenuator
010 10 dB attenuator
020 20 dB attenuator
030 30 dB attenuator
890 Calibration Data
910 Additional operating and service manual
R-50C-011-3 Agilent Calibration - 3 years
R-50C-011-5 Agilent Calibration - 5 years
R-50C-021-3 ANSI Z540-1-1994 Calibration - 3 years
R-50C-021-5 ANSI Z540-1-1994 Calibration - 5 years
UK6 Commercial cal. certificate w/ test data
UKS Certificate of Calibration

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