AM Bandstop Filter For SDR Notch Filter To Kill Broadcast Noise And Interference Software Defined Radio Accessory With SMA Connector High Quality North America Made Free SMA Barrel Connector 2 Year Warranty
✔️ ~40dB AM attenuation, DC pass-through, NA-made, 2-year warranty
A compact, high-performance AM bandstop filter for SDR systems. This North America made unit provides strong attenuation of broadcast AM signals while preserving other bands. It protects the SDR front end and integrates smoothly with HF upconverters, and it includes a free SMA barrel connector.
✅ Attenuation >40 dB on broadcast AM frequencies
✅ -3 dB rolloff at 350 kHz and 1900 kHz
✅ DC pass-through for bias-tee power
✅ EMI shielded enclosure with RF rated ESD diode
✅ DC current handling ≥250 mA; max input 18 dBm (5 Vp-p)
✅ Includes free male SMA barrel connector
💡 What is an AM bandstop filter for SDR and how does it reduce broadcast interference?
It blocks overpowering AM broadcast signals from hitting the SDR front end while letting through DC power when needed.
- reduces broadcast AM interference on SDR front ends - keeps DC bias power path intact for bias-tee use - shielded aluminum enclosure protects RF environment - NA-made with a full 2-year warranty✝️