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GPS Source L1FM-HR – GPS Bandpass Filter Mini Housing


The L1FM-HR GPS bandpass filter from GPS Source is an in-line RF device with a single input and single output. It is designed to take advantage of the thin link margins existing in satellite navigation systems.



The L1FM-HR GPS bandpass filter from GPS Source is an in-line, one input, one output RF device. Designed with the thin link margins of satellite navigation systems in mind, the L1FM-HR features excellent side-band rejection with an insertion loss of less than 2.2 dB.

This product may pass DC or can also be used as a DC block.

The L1FM-HR is only available with high rejection.


  • Frequency response for GPS L1
  • RoHS/WEEE compliant
  • Low Insertion Loss
  • IL < 2.2 dB
  • Excellent Out of Band Rejection
  • Passes DC for Active Antennas
  • Designed to MIL-STD-801


The L1FM-HR GPS bandpass filter from GPS Source can be custom configured and can be ordered through TerrisGPS. If you would like more information regarding this product, please feel free to contact us using the Request Pricing form.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
"Thanks for all the troubleshooting help, also to John for his assistance and the prompt answers from you guys!"
F.A. - Survey Industry

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