Palm OS Cobalt, nee Palm OS 6, has gotten the stamp of approval from the Bluetooth Qualification Program for Bluetooth 1.2. PalmSource originally licensed a Bluetooth 1.2 stack from Extended Systems in June of this year, and that stack has now been certified Bluetooth 1.2 compatible. As a result, any Palm OS Cobalt devices with Bluetooth are like to be Bluetooth 1.2 compatible, whenever Cobalt devices begin appearing.
Bluetooth 1.2 is fully backward compatible with Bluetooth 1.1 devices, but offers better compatibility in the increasingly crowded 2.4 GHz band. Wi-Fi technologies such as 802.11b and 802.11g, some cordless phones, and even microwave ovens also operate in the same spectrum, and Bluetooth 1.2 uses a technique known as Adaptive Frequency Hopping (AFH) to reduce "bumping elbows" with those technologies in order to improve performance.
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