RTL SDR Front End Filter Demonstration - YouTube
HF BPF, band pass filter, RTL SDR HERMES ODYSSEY HiQSDR Red Pitaya transceiver | eBay
KA7OEI's blog: Characterizing the RTL-SDR Blog (Version 3) for HF reception using the "direct" input.
filter
bandpass filter
RTL-SDR 88-108 MHz Bandstop Filter & 2.6 MHz HPF Broadcast AM Filter Measurements - YouTube
RTL-SDR.com Broadcast AM Block High Pass Filter Now for Sale
SDR
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
Preamplifier and Bandpass filter for SDR
RTL-SDR bandpass-filter and DIY coax-notch filters
HF BPF, band pass filter, RTL SDR HERMES ODYSSEY HiQSDR Red Pitaya transceiver | eBay
New product from FlightAware: A 1090 MHz Bandpass Filter for the RTL-SDR
Band Pass Filter Bpf 315m 433m 900m 1090m 1575m 2450m 2.4g Anti-interference For Rtl-sdr Receiver Ham Radio Amplifier Remote - Oscilloscope Parts & Accessories - AliExpress
Broadcast AM Reject High Pass Filter (2.6 MHz HPF) by RTL-SDR Blog
band stop filter
A simple homebrew high pass filter | The SWLing Post
I made a 137MHz NOAA bandpass filter. Here are some pictures of the filter and spectrum! : r/RTLSDR
A self contained ADS-B Receiver using a Raspberry Pi and RTL-SDR
