SDR FM Notch Filter For Interference Free Tuning Strong 40dB Attenuation At Broadcast Frequencies Bandstop Design That Keeps Adjacent Bands Clean Includes Free SMA Male Barrel Connector For Quick Setup

SDR FM Notch Filter for Interference-Free Tuning 40dB Single-Unit
✔️ 40dB FM attenuation, DC pass-through, shielded enclosure

A compact, shielded notch filter for SDR setups that suppresses broadcast FM interference while protecting adjacent bands. Designed for quick front-end protection in SDR rigs and radio projects.

✅ 40dB attenuation at broadcast FM frequencies
✅ DC pass-through support for bias-tee power
✅ EMI shielded enclosure with RF ESD protection
✅ 250mA DC current handling, max 18dBm input
✅ Black anodized aluminum enclosure with 2 mounting holes
✅ Includes SMA hardware and free SMA barrel connector
✅ 2-year warranty

💡 What is an SDR notch filter used for and how does it help with RF interference?

This handy device helps keep your receiver front end clean by suppressing strong broadcast FM signals. - Reduces overload and imaging in SDR front ends due to powerful FM transmitters - Keeps adjacent bands like VHF airband clear with minimal out-of-band loss - Allows DC pass-through for bias power when needed - Provides EMI shielding and RF-rated ESD protection for rugged use✝️