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Broadcast FM Band Cut filter by RTL-SDR.com RTL-SDR.com SDR accessory FILTRE-RTLSDR-FM-473 View larger

RTL-SDR.com

FILTRE-RTLSDR-FM-473

New product

China

Broadcast FM Band Cut filter by RTL-SDR.com

rating Read the 5 reviews
Average rating: 5/5 Number of reviews: 5

This band-cut filter is design by RTL-SDR.com, it blocks and reject broadcast FM band between 88 to 108 MHz with over 50dB of attenuation.

Insertion loss is less than 0.5 dB between 0-1 GHz, and less than 1.5 dB between 1-3 GHz.

A broadcast FM block filter help if you are near strong broadcasts signal in your area that overload the SDR dongle or device.

Come with : 1 filter Broadcast FM Band-Stop RTL-SDR and an adapter SMA-Male.

More details

18,59 € tax excl.

19,17 €

In stock

   More than 10 Items

Data sheet

This filter rejects signals between 88 – 108 MHz with around 50 dB or more attenuation. A broadcast FM band-stop filter is very useful for use with SDRs as in some areas broadcast FM signals can be so strong that they overload the SDR, causing very poor performance in other bands.

The filter is based on a classic 7th order Chebyshev design. The 3 dB roll off is at 76 MHz and 122 MHz. 88 MHz is attenuated by almost 60 dB, and 108 MHz is attenuated by nearly 50 dB.

Outside of the pass band the insertion loss is practically zero below 500 MHz, less than 0.5 dB from 500 MHz – 1 GHz, and below 1.5 dB between 1 GHz – 2 GHz.

Between 2 – 3 GHz performance degrades slightly, but insertion loss remains below 1.5 dB for most frequencies. The filter can also pass up to 80 mA of DC current and has negligible DC resistance.

Reviews

Click here to leave a review

rating 5
Bande Reject
Bon Rejecteur -54dBm Bande reject 130Mhz à -3dB
Au Top Très bon produit
rating 5
TROP TOT

pas encore mis en place

rating 5
parfait

fonctionne parfaitement, coupe la bande FM et laisse libre la bande aéro sans parasites.

rating 5
Good quality

Works as descripted.

rating 5
Filtre FM
Fonctionne a merveille, coupe vraiment la partie 88-108

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