I've done a few. They are made by Samsung. The ones I took apart had 6 cards and a main board. The cards looked like this:
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I got low grade telecom, a little over 4.00. The cards weight about 3/4#. I don't remember what the main board weighed but it was near a pound. 3/4 x 6 x 4.00 = 18.00 in cards and maybe another 3-4 for the main board.... Not real exciting but I got them for around 2.00. I'm not sure if they have any resale value. These may not be the exact same, the ones I did were considered a "compact" DCS. It was about 1' x 2' and about 6 inches thick.
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