GPS Networking – L1FPDC L1 GPS Filter (Pass DC)

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The L1FPDC GPS passband filter from GPS Networking is designed specifically for the GPS L1 carrier frequency. The L1FPDC lowers the out of band noise and interference by 20dB. The DC voltage is then passed to the intended GPS antenna or source. All filters are available with N-type, SMA, BNC or TNC connectors.



The L1FPDC is a one input, one output RF device that provides additional GPS L1 filtering from a GPS antenna. The frequency response covers L1 centered at 1575 MHz. In the normal configuration, the RF output (J1) passes DC from the connected GPS receiver through the input port to the antenna, allowing the GPS receiver to power the antenna.


  • Passes GPS L1 Frequency
  • Excellent Passband Ripple
    L1/L2 Ripple < 1.0 dB


The L1FPDC L1 GPS filter from GPS Networking is available through Canal Geomatics. For more information, please contact us using the Request Pricing form.