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For most STANDARD 2-way-radios CTCSS or DTMF was possible with optional units.
Here you find a CTCSS-Unit fitting for STANDARD C-228, C-520, C-528, C-620 and C-628.
Many repeater and applications need CTCSS.
This remake fits for following STANDARD 2-way-radios
- STANDARD C-220
- STANDARD C-228
- STANDARD C-520
- STANDARD C-528
- STANDARD C-620
- STANDARD C-628
same size, fits perfect, easy to install
- + same size
- + decodes and encodes CTCSS
- + better DDS-Signal than the origin
On the right you can see the origin CTN-520 Original,
on the left side you see the remake.
buy your CTN-520 today in our online shop
How to install
Manual how to install and activate your CTCSS-unit CTN-520, germany, abt. 0,5MB, pdf-file
Manaul how to install and activate your CTCSS-unit CTN-520, english, abt. 0,5MB, pdf-file
Technical details
| Parameter | CTN-520 remake | CTN-520 origin | remarks |
| CTCSS-frequencies |
38 frequenncies (67,0 - 250,3Hz) |
38 frequencies (67,0 - 250,3Hz) |
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| signal input RX |
130mVpp bei 700Hz Hub |
130mVpp bei 700Hz Hub |
Signal rf-generator |
signal amplitude input µPC
|
4,00Vpp |
not available for mess. |
Signal rf-generator |
| switch-point unit RX |
30mVpp |
40mVpp |
Signal rf-generator |
| response time RX |
140ms - 300ms |
110ms - 353ms |
|
| deviation VHF TX |
700Hz bei Uout=0,6Vpp (P2) |
700Hz bei Uout=0,6Vpp (R801) |
trimmer mid-pos.
|
| deviation UHF TX |
700Hz bei Uout=0,6Vpp (P1) |
700Hz bei Uout=0,6Vpp (R802) |
trimmer mid-pos. |
| current max. 5V DC TX / RX |
1,90mA |
2,04mA |
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"Do you see the difference? Your STANDARD won't..."
Feedback / Referenzen
Jürgen, DG4KF schrieb am 10.07.2009
"Vielen Dank für die Übersendung der Artikel.
Das Nachbau Modul funktioniert hervorragend.
Das ist doch schon mal was für ein so altes Gerät
noch Erweiterungs-Zubehör zu bekommen..."
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Jürg, HB9DSX aus der Schweiz schrieb am 11.09.2009
" ...der Einbau ist wirklich einfach. Kein Gefummel, nur Lesen, Stecken, Kleben -> Fertig!
Unsere Stadtrelais in Zürich HB9SP auf 2m und 70cm öffnen perfekt, Modulation ufb.
Macht Spass, wirklich Spass.
vy 73, Jürg HB9DSX "
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Mustafa, TA1AL aus Istanbul schrieb am 18.07.2009
"I received the TONE UNIT yesterday and I check it
on my Standard C528. I opened with your tone unit
all vhf and uhf repaiters in Istanbul.
Your tone unit worked very fine.
Congratulation well done.
One more time THANK YOU VERY MUCH
ALLES GUTE.. 73S"
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How to buy your CTN-520?
buy your CTN-520 today in our online shop
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