• Terminated 4-port bypass switch
  • Female SMA connectors
  • Built-in current interrupt

Superior RF Performance

  • Superior isolation: > 120 dB at 4 GHz and 70 dB at 26.5 GHz
  • Low SWR: < 1.10 at 4 GHz and 1.60 at 26.5 GHz
  • Low insertion loss: < 0.27 dB at 4 GHz and 0.80 dB at 26.5 GHz

Excellent RF Repeatability And Long Life Span

  • Excellent insertion loss repeatability: 0.03 dB to 1 million cycles and 0.1 dB to 2 million cycles
  • Long operating life of 2 million cycles


  • Coil voltage levels 5 V, 15 V or 24 V
  • D-subminiature 9-pin connectors or solder lug terminals
  • Standard or TTL/5 V CMOS compatible drive
  • Optional position indicators

The Keysight N1811TL latching coaxial switch combines unmatched flexibility of configuration with excellent repeatability, long life, and reliability.

For additional information regarding configuration options and performance tradeoffs view the online product overview.

Learn more about Keysight Single-Pole Double-Throw Switches - SPDT

N1811T Low PIM Switch

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