Current versions of Palm OS support the Bluetooth 1.1 specification, which is the most common version supported today. The newer Bluetooth 1.2 specification, which is supported by very few products so far but is fully backwards compatible, uses Adaptive Frequency Hopping (AFH) to reduce interference from other devices that use the 2.4 GHz spectrum. That includes 802.11b and 802.11g (Wi-Fi) wireless LAN technologies, some cordless phones, and microwave ovens. AFH better adjusts to the local environment to avoid “bumping into” other transmission technologies, which in turn helps ensure that both systems are able to transmit at full bandwidth.
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