Cut Through Broadcast Noise With This Premium Am Bandstop Notch Filter Designed For Rtl Sdr Software Defined Radio Kits Blocking 300Khz To 1900Khz Dead Quiet With Sturdy Sma Links

Stop Broadcast Noise From Ruining Sdr Reception
✔️ Blocks 300khz to 1900khz signals using sma links and filters noise

This lightweight analog notch filter mounts directly between your feedline and software defined radio to stop am station overload before it hits your tuner.

✅ Provides roughly 70db signal cut off between 300khz and 1900khz
✅ Allows direct current through the line for bias tee support at 200ma
✅ Housed inside a custom black anodized aluminum case for e mi shielding
✅ Includes male to male barrell jack to join two equipment pieces
✅ Protects downstream hardware from static discharge via built in diode

💡 what is a band stop filter used for in software defined radio kits?

It prevents strong local transmitters from blinding your spectrum display.

- reduces image artifacts across 300k to 1900k frequencies

- creates a handy upgrade for rtl sdr kits

- shields sensitive downconverters from adjacent channel interference

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