RTL-SDR Tutorial: Measuring filter characteristics and antenna VSWR with an RTL-SDR and noise source
Band Pass Filter BPF 1575M 5.8GHZ for 2.4G WIFI Bluetooth GPS RTL-SDR receiver | eBay
RTL-SDR Blog V.3. Dongles User Guide
Improved indoor HF reception on 20m band with band-pass filter - a bit less noise and much less mirrored signals : r/RTLSDR
137MHz Bandpass filter for NOAA / Meteor Satellites | Lets Hack It
137 MHz BP Filter and Noise Source analysed with RTL-SDR Dongle
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
filter
filter
SAW band pass filter 315MHz 433MHz 868MHZ 1090MHz 902MHz 915MHz 1590MHZ FOR WIFI RTL SDR receiver Ham Radio Amplifier|Instrument Parts & Accessories| - AliExpress
Amazon.com: Broadcast AM Reject High Pass Filter (2.6 MHz HPF) by RTL-SDR Blog : Electronics
RTL-SDR.COM Broadcast FM Band-Stop Filter (88-108 MHz Reject) Now for Sale + RTL-SDR V3 Dongle Availability