We had talked about some other commercial and DIY GPS jammers before but here we are presenting another one today. Built by Limor and presented on ladyada.net, this device is a self-tuning portable RF jammer that can can jam many different frequency bands without the need for a spectrum analyzer. Even though the earlier version seen on left has big antennas sticking out, the later version on the right is more compact, small enough to fit inside a pack of cigarettes.

Wave Bubble has an internal lithium-ion battery that can provides up to 2 hours of jamming when using two bands such as cell phones or 4 hours if you only care to scramble a single band, such as cordless phones, GPS devices, WiFi, bluetooth, etc. The battery is rechargeable via a mini-USB connector or 4mm DC jack, however alternatively you can use 3 AAA batteries.

Even the instructions are complete don’t think you can finish this jammer in one weekend for it involves difficult soldering, obscure parts, and other necessary equipment to debug. Also keep in mind the device is not for sale here nor anywhere else for it would be against FCC regulations. Do NOT contact us or Limor for how to purchase please.

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reported from http://www.navigadget.com