Here is a quick little teaser image to see if anyone can guess what it is.
It actually has labels on it, but I obscured them to make it more of a challenge.
The pen is just to provide a clue about its size.

Here is a quick little teaser image to see if anyone can guess what it is.
It actually has labels on it, but I obscured them to make it more of a challenge.
The pen is just to provide a clue about its size.

Warming up just a bit...
Bigger clue - it has something to do with networking.
RTC Modem ? Like a 56kbps one ?
RTC Modem ? Like a 56kbps one ?