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


GPS Networking products are covered under their free standard warranty policy. GPS Networking Inc. will repair or replace any unit that fails within 1 year from the date of purchase. Failures that are caused by customer mishandling or acts of nature will be subject to repair charges. It is also possible to purchase a lifetime warranty for all products manufactured by GPS Networking. Details on the lifetime warranty available upon request.

Why Buy from Us?

In business since 2004, Canal Geomatics is an authorized dealer for GPS Networking and has established itself as an industry-leading distributor of high-precision positioning products in North America. Our mission is to find the best solution for each unique application and extend premium support to ensure the long-term success of our customers. We offer both volume and reseller discounts for the majority of our product lines.


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