5B4AGN TXBPF HF Bandpass Filters | George Smart – M1GEO
The VE7BPO Direct Conversion Receiver Mainframe – Dave Richards AA7EE
Blank PCB - 1.8 - 30MHz 5 Bands LPF Low Pass Filter For HF Ham Transceiver | eBay
1207MHz /1268MHz /1561MHz RF Bandpass Filter Module PCB Double BPF Board Electronic Filter Component SMA K Female Interface|Frequency Meters| - AliExpress
Mini 433MHz RF Bandpass Filter Module PCB Double Sided Board BPF Module SMA-K | eBay
Electronic Filter Components | Bandpass Filter Module | Rf Power Filter Board - 403mhz - Aliexpress
Blank PCB - 1.8 - 30MHz 5 Bands LPF Low Pass Filter For HF Ham Transceiver | eBay
BAND PASS FILTER PCB DIY | eBay
Bandpass filter for Colibri-SDR
YO3DAC - Homebrew RF Circuit Design Ideas
Amazon.com: Bandpass Filter Module, PCB Easy Installation Band Filters Board Efficient for DIY : Electronics
Mini 403mhz Rf Bandpass Filter Module Pcb Double Sided Board Bpf Module Electronic Filter Components Sma-k Female Interface - Replacement Parts - AliExpress
Band Pass Filter
YO3DAC - Homebrew RF Circuit Design Ideas
RX Triplexer 2L ASSEMBLED| hamparts.shop
Amazon.com: Triple-Tuned Band-Pass Filter for Receivers and Multiplexers (10 m Band 28.00-29.70 MHZ) : Electronics
Miniature HF Band-Pass Filter DIY KIT - sv1afn.com
Low Pass Filter kit
Band Pass Filter
A simple homebrew high pass filter | The SWLing Post
Receiver module kit (including BPF)
Low Pass Filter kit
BAND PASS FILTER PCB DIY | eBay
MPG Products | Filters | Tunable Band Pass
9 band HF BPF - Share - PCBWay
