New ultra-compact +10dbm rf bandpass filter module for receiver front-end filtering

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Ian Bradley

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May 15, 2026, 12:35:31 PMMay 15
to Radioberry
Hi,
    I've been working on a miniaturized filter module for portable SDR setups at 915MHz.I noticed a few threads about front-end overload in tight enclosures.I've managed to get a +10dbm power handling into a module 10mm by 12mm by 2.4mm.
I have the VNA plots and characterization data is available as a wideband S2P file.If anyone is looking for a very small plug-and-play solution to clean up their RX, I'd love to get your feedback on the design.


BPF(915) Connected to VNA_2.png
PXL_20260506_122435385.jpg
NarrowBandBPF_915_(810MHz-1020MHz)_PCB_ver2.png
Blocking Signals Before+After 915_BPF.png
file_00000000bd24720aad9d60c8571f6672.jpg

David Cooley

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May 15, 2026, 1:33:16 PMMay 15
to Ian Bradley, Radioberry
So you used NanoEdge AI to created a board for an off the shelf BP filter...



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