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LoRa Cavity Filter Mounting Bracket — image 1
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LoRa Cavity Filter Mounting Bracket

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A LoRa cavity notch filter mounting bracket compatible with 2mm grid enclosures with optional board sub-mounts.

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Model information

Category
Electronics
License
CERN Open Hardware Licence Version 2 - Strongly Reciprocal

LoRa Cavity Filter Mounting Bracket

Compatible with BandGuard and LoRathrogar Filtar style cavity notch filters.

Top Mounting for Boards

Additional mount tops that provide additional mounting for:

  • Raspberry Pi (and alternatives)

  • BQ Station G3

  • ... additional boards upon request.

  • ... or yours to remix and publish.

Print Settings

Default print settings for just about every printer. For mounting locations that get direct sunlight, consider using UV-resistant and warp-resistant filaments such as ASA. If you find optimizations to these settings, let us know in the comments.

  • Filament: PETG (or ASA)

  • Nozzle: 0.4mm

  • Layers: 0.2mm

  • Walls: 2

  • Infill: 15%

Assembly Materials

This mounting bracket can be fastened using M4 bolts screwed right into the print or M3 bolts with heat-set inserts. Bolts should have a flat shoulder. For easy-of-assembly, use M4. Board mounting is done with M2.5 screws and nuts. Some stand-offs may be optional.

Base and Top
  • No Heat-set Inserts

    • 8x - M4x5 bolts (flat shoulder)

  • With Heat-set Inserts

    • 8x - M3x5 bolts (flat shoulder)

    • 8x - M3x5 heat-set Inserts

Boards
  • Raspberry Pi

    • 4x - M2.5x6mm screws

    • 4x - M2.5 nuts

    • 4x - M2.5x5+6 stand-offs

  • BQ Station G3

    • 7x - M2.5x6 screws

    • 7x - M2.5 nuts

    • 11x - M2.5x5+6 stand-offs 

    • 2x - M2.5x10+6 stand-offs

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