Types of Zigbee devices are available as follows: i. ZigBee Coordinator ii. ZigBee Router iii. ZigBee End Device iv. ZigBee Accessor

i, ii, iii
i, ii, iii, iv
ii, iii, iv
i, ii, iv

The correct answer is A. i, ii, iii.

A ZigBee coordinator is a device that initiates and maintains the ZigBee network. It is the first device to join the network and is responsible for assigning addresses to other devices on the network.

A ZigBee router is a device that helps to route data between other devices on the network. It does this by storing information about the location of other devices on the network.

A ZigBee end device is a device that uses the ZigBee network to communicate with other devices. It does not have the ability to route data between other devices on the network.

A ZigBee accessor is a device that is used to connect to a ZigBee network. It does not have the ability to communicate with other devices on the network.