ZigBee coordinator – One is required for each network. The coordinator initiates network formation (PAN). Must be powered continuously.
ZigBee Router – Joins the network. A router enables network extension and adds redundant RF paths. A router must be powered continuously.
ZigBee End Point – Joins the network. An end point may contains sensors and IOs. An end point is a low power device that is allowed to sleep.
ZigBee mesh networks main features: