The only issue with passive cooling is that we need to make a good contact between UmTRX and a case. And this requires careful selection of a proper case and design of mounting. Again - if you or someone else want to take on this task - we'd be happy use it.
Hmm, Could be doable... Its been a while since Ive done any 3D design, you know of anything in particular that's free & one could learn fairly quickly for a project such as this?
To my knowledge, theres no special cooling considerations taken into account for any of the USRP's?
Not sure I understand the question. No worries, was more of a statement than a question... =)