ZigBee is a secure, low power mesh network technology to make your IoT applications more efficient, widely used in smart home and industrial remote monitoring and control. This article is a definitive guide for ZigBee in IoT, including What is ZigBee, its global market, working priciple (frequency, range, power requirement, architecture, topologies, channel access, security, variants, etc. ), comparison with other protocols, commonly seen use cases, devices needed to build a ZigBee network, and installation guide. Read further to know more details!