Band Pass Filter for HF and VHF Amateur Radio Bands | AmoghDesai.com
SAW band pass filter 315MHz 433MHz 868MHZ 1090MHz 902MHz 915MHz 1590MHZ FOR WIFI RTL SDR receiver Ham Radio Amplifier|Instrument Parts & Accessories| - AliExpress
915 MHz ISM Band Pass filter; Amateur Radio RFID from GPIO Labs on Tindie
SDR
137 MHz BP Filter and Noise Source analysed with RTL-SDR Dongle
Band Pass Filter BPF 1575M 5.8GHZ for 2.4G WIFI Bluetooth GPS RTL-SDR receiver | eBay
DIY bandpass filters for SDR - 140MHz and 1090MHz - not an elec engineer! - Album on Imgur