CTCSS-unit CTN-520 – sold out


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Artikelnummer: CTN520 Kategorie:


CTCSS-Modul CTN-520 fits for STANDARD C-520, C-528, C-620 and C-628
Developed and made in Germany.

CTCSS is a sub-tone required from many repeaters and wireless-applications.

This CTN-520 unit is a 100% compatible remakre and well approved world wide by many OMs and YLs on STANDARD portables .

Please note: This CTN-520 CTCSS unit fits only for :

  • STANDARD C-220
  • STANDARD C-228
  • STANDARD C-520
  • STANDARD C-528
  • STANDARD C-620
  • STANDARD C-628

Easy to install and quick-setup within minutes!

  • Open your STANDARD radio
  • put in your CTN-520 CTCSS-unit into the socket.
  • close your STANDARD C528 oder C628 again
  • now setup your CTCSS-tone by keyboard and aktivate the unit
  • – DONE –

Download installation-manual for CTN-520 here for free now

Manual installation of CTCSS-unit CTN-520, link will open new window with pdf-file


Item includes glue-foil and ESD-safe packing.


OMs and YLs world wide use our CTN-520 CTCSS-unit for STANDARD radios.

Freqently asked questions about CTCSS-unit CTN-520

Question: I can’t receive transmit subtones even the CTCSS-unit is installed. What can I do?
Answer: Please check setting and input by keyboard. Most errors occur on wrong settings. You can activate only CTCSS-transmission and only CTCSS-SQL as well.

Zusätzliche Informationen

Gewicht 0,2 kg

3 Bewertungen für CTCSS-unit CTN-520 – sold out

  1. Maurizio S.

    …Just to say my satisfaction of your Standard CTN520.
    Dear Matthias,
    excuse the delay I’ve been busy with work. Just to say my satisfaction of your Standard CTN520 and your professional service offered, even the nice package and candies. I am inclined to communicate to others ham friends the perfect service.

    Nicht verifizierter Kauf. Mehr Informationen

  2. Fabio T.

    Hello Matthias,
    the tone squelch unit CTN-520 has arrived. I have installed it into the radio and I’m testing it. The results are positive ! I thank you for your assistance and courtesy.
    I’d like to buy from you one more C-528 for my daughter, but at the moment too few Euros and to much tax here in italy. I hope to place the order soon, meanwhile I wish my Best Regard

    Nicht verifizierter Kauf. Mehr Informationen

  3. Kai K.

    Bin sehr zufrieden.

    Nicht verifizierter Kauf. Mehr Informationen

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