For a private or a public network, the device type, device number and transmission type can be user defined. As a suggested implementation, the device type is a number that represents the class (or type) of the master device. The device number is a unique number representing a specific master device. The transmission type is a number that represents the different transmission characteristics of a device, this is determined by the manufacturer or pre-defined in an ANT+ network.
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"The transmission type is a number that represents the different transmission characteristics of a device, this is determined by the manufacturer or pre-defined in an ANT+ network."
Which transmission characteristics exist?
Where do I find more information?
How and in which way is it pre-defined in an ANT+ network?
The transmission type is used to define the type of channel (either uni or bi-directional) as well as the global page format (that is, where the global page is within the message, for example, for a shared channel it will be the 3rd byte and not the first). As a receiver you should always wildcard this field when pairing to a particular device.