Build your own camera, launch it like a grenade
Israeli defense contractor Rafael Armament Development Authority calls it a “revolutionary concept in tactical intelligence,” but really it’s a wireless camera that’s shot 500 feet in the air by a grenade launcher. And if a couple of hackers here at the Defcon hacking convention get their way, soon anyone will be able to buy this type of military grade technology for only US$500.
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Model rockets have been transmitting wireless video for quite a while, and the G-forces are a lot more manageable if you have a second or two of thrust rather than the impulse of a grenade launcher or mortar. (or, just the thing for an advanced potato cannon!)