137 MHz BP Filter and Noise Source analysed with RTL-SDR Dongle
janielectronics on eBay
Low Pass Filter for RTL-SDR Direct Sampling Mode
RTL-SDR.com Broadcast AM Block High Pass Filter Now for Sale
SAW band pass filter 315MHz 433MHz 868MHZ 1090MHz 902MHz 915MHz 1590MHZ FOR WIFI RTL SDR receiver Ham Radio Amplifier|Instrument Parts & Accessories| - AliExpress
bandpass filter
RTL SDR Front End Filter Demonstration - YouTube
Designing an LNA with bandpass filter for 430 Mhz – from a beginner's perspective | alicja • space
RTL-SDR bandpass-filter and DIY coax-notch filters
A simple homebrew high pass filter | The SWLing Post
filter
I made and tuned a helical band-pass filter! [Details in the comments] : r/amateurradio
SDR
Amazon.com: Broadcast AM Reject High Pass Filter (2.6 MHz HPF) by RTL-SDR Blog : Electronics
Band Pass Filter BPF 1575M 5.8GHZ for 2.4G WIFI Bluetooth GPS RTL-SDR receiver | eBay
What are some ways you've improved performance of an RTL-SDR? - Quora
REVIEW OF NOBU'S HF UPCONVERTER, GALVANIC ISOLATOR AND 14 MHZ LOW PASS FILTER
I made a 137MHz NOAA bandpass filter. Here are some pictures of the filter and spectrum! : r/RTLSDR
Radio for Everyone: RTL SDR Accessories Beginner Guide
FM Broadcast Filter | 88 -108 MHz Filter for RTL-SDR | SDR Band-Stop Filter | ELEKITSORPARTS