Something we aren't noticing is, if he can build one that small with off the shelf parts, the NSA could and probably does have devices like these as small as qu

Something we aren't noticing is, if he can build one that small with off the shelf parts, the NSA could and probably does have devices like these as small as quarters or perhaps embedded in dummy iPhone charging cubes. I would bet the Feds can build out miniature versions for a few hundred bucks a piece. Which in defense dollars means they are disposable.