[GreenKeys] HAL Communications Corp DKB-2010 Dual Mode Keyboard

[Duncan Brown]

Erik,

Data sheet at 
https://www.navy-radio.com/rtty/hal/dkb2010/Data%20Sheet/DKB2010%20Data%20Sheet.pdf

Instruction manual at 
https://www.dl0bn.de/dc7xj/Anleitungen/HAL%20DKB-2010%20Manual.pdf

Have fun,

Duncan
K2OEQ



On 8/20/2025 5:10 PM, Erik Bruchez wrote:
> All,
>
> It has no literal "green keys", but I couldn't resist buying this the 
> other day and it seems that you can connect it to an "RTTY loop", so 
> presumably something like the Model 33? It can also do Morse! The 
> inside is all discrete logic, with most chips having 1976 date 
> codes. I haven't plugged it yet as I want to do some cleaning/checking 
> the power supply first.
>
> I am curious to know if anybody is familiar with this device.
>
> The pictures below are (obviously) before any cleaning whatsoever. 
> Here is a link to more pictures:
>
> https://photos.app.goo.gl/85TpWXNSrXV1RxSx6
>
> -Erik
> IMG_8192.jpg
>
> IMG_8200.jpg
>
> IMG_8239.jpg
>
>
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