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  • 19/04/2018

    This device will alert you to the presence of other signals in the 2.4 G range used by many drones for flight control. These can sometimes cause interference with the signals from the flight control transmitter. Since most drones can have the control frequencies reconfigured, if there is lots of activity on the upper part of this spectrum, you can change the control channels to a different portion of the spectrum that is less crowded. The device comes with a pigtail that plugs into the JST connector which you can solder to your power. I chose a 9 volt battery and added a On-Off switch to a case I made from discarded covers from Radio Shack project boxes. I used the case the Lantian came in to hold it. The scratch in that case is a little distracting, but it still makes a great holder for the spectrograph. Nothing else except the power needs to be added for this to work and produce the signals it can see. I made a short video and posted it on Vimeo at this link: https://vimeo.com/265605420 Will try to post it here so it embeds, but I don't use Youtube so not sure I can do that.

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  • 27/02/2018

    A quick peek is all it takes to find out if you are in an area with a lot of signal noise. I 3d printed a tiny case with momentary switch and battery holder as it is cumbersome to use the way it arrives.

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  • 02/10/2018

    Adesso posso completare il mio pulpito tx con questo utilissimo strumento consentendomi di monitorare sia il funzionamento corretto della mia tx che le frequenze degli altri modellisti presenti sul campo.Provata per adesso solo in laboratorio ma funziona che e' una meraviglia, per non parlare dell'effetto ottico che e' fenomenale!!!!!!

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  • 13/07/2019

    Usefull item. Only there is no 5ghz version of it.

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  • 03/12/2020

    Tout va très bien.

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  • 24/09/2020


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  • Lionel

    Dispositif très utile pour contrôler l'émission de sa commande radio de 2,4 GHz se connecte à un lipo 2S 8.4v avec prise JST Sinon pour les livraisons, assez rapide pour la livraison à partir de la Chine (courrier direct prioritaire).

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  • 08/03/2020

    Bon produit bon marché, acheté pour contrôler la zone de vol de 2.4Ghz modèles radio contrôlés

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  • 26/10/2019

    No adjustments just apply power and go No mounting holes Only way to mount would be with some sticky tape. Be careful of fragile ribbon cable on front List frequency along axis would be nice if there were actual channel numbers. Not very sensitive. Midrange reading only when touching controller

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  • 02/11/2018

    quite too small it lacks a more precise display of frequencies but is usefull

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