Ubertooth Zero: It was a low power (comparable to a Class 3 bluetooth device) USB dongle, and the first working prototype hardware platform of Project Ubertooth. It has since been superseded by Ubertooth One.
Ubertooth One: It is a smaller, higher power (comparable to a Class 1 bluetooth device) USB dongle and is the next generation hardware platform of Project Ubertooth. It supersedes Ubertooth Zero and is currently the preferred platform.
Bluetooth Basic Rate injection
Bluetooth Low Energy monitoring and injection
802.11 FHSS monitoring and injection
Basic spectrum monitoring