Ubertooth Zero
Ubertooth Zero was the first working prototype hardware platform of Project Ubertooth. It has been superseded by Ubertooth One.

Architecture
Features
2.4 GHz transmit and receive.
Transmit power and receive sensitivity comparable to a Class 3 Bluetooth device.
Non-standard JTAG connector.
In-System Programming (ISP) serial connector.
Expansion connector: intended for inter-Ubertooth communication or other future uses.
Six indicator LEDs.
Design
Ubertooth Zero was designed in CadSoft EAGLE with surface mount components suitable for reflow.
Demonstration
Michael Ossmann presented Ubertooth Zero, a preview (video: part 1, part 2) at ToorCon 12 in October, 2010.