Before deep diving into the list, it’s important to differentiate between the types of Zigbee dongles available.
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The easiest of the lot are USB Zigbee sticks, you simply plug them in your server and you are good to go. LAN/PoE coordinator allow for a more versatile installation, you can attach the dongle anywhere on your network. Hybrids are a combination of the two with interchangeable operation/power modes.
The second important difference between current Zigbee dongles is the type of chip they carry. The EFR32MG21 [Datasheet] is newer, more powerful but is still labelled as experimental in many Zigbee applications, such as Zigbee2MQTT. The CC2652P [Datasheet] is a bit older, although still relevant and powerful enough to form a sizeable Zigbee network. It’s supported in all Zigbee applications.