Band Pass Filter BPF 1575M 5.8GHZ for 2.4G WIFI Bluetooth GPS RTL-SDR receiver | eBay
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
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
Preamplifier and Bandpass filter for SDR
RTL-SDR 88-108 MHz Bandstop Filter & 2.6 MHz HPF Broadcast AM Filter Measurements - YouTube
KA7OEI's blog: Characterizing the RTL-SDR Blog (Version 3) for HF reception using the "direct" input.
Low Pass Filter for RTL-SDR Direct Sampling Mode
RTL-SDR Filter Cards | Multichannel SDR Transceivers and Audio Arrays
Improved indoor HF reception on 20m band with band-pass filter - a bit less noise and much less mirrored signals : r/RTLSDR
low pass filter
RTL-SDR Tutorial: Measuring filter characteristics and antenna VSWR with an RTL-SDR and noise source
Broadcast AM Reject High Pass Filter (2.6 MHz HPF) by RTL-SDR Blog
filtering
I made a 137MHz NOAA bandpass filter. Here are some pictures of the filter and spectrum! : r/RTLSDR
filters
Radio Amplifier | Pass Filter | Oscilloscope Parts Accessories - 315mhz 433mhz 1090mhz - Aliexpress
NEW* Multi Band Pass Filter HF+6m Upgraded version RTL SDR HAM Transceiver | eBay
SDR
