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2.4 End Device (Node) Addressing

When a device joins a ZigBee network, the ZigBee coordinator or router assigns a logical 16-bit address to the device. Also, each device has a 64-bit IEEE address, and no two devices can have the same IEEE address in the entire world. Short addresses (16 bits) can be used by devices in a network. The advantage of using the 16-bit address is to extend the life of the battery. A 16-bit address reduces the size of the frame. A smaller frame size results in shorter transmission time. Less transmission time means greater battery life. The disadvantage of using the 16-bit address is that two nodes in different networks can have the same address.

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