Building Automation Networks for Smart Grids

Table 1

Zigbee radio frequency characteristics.

Frequency	Region	Modulation scheme	Bit rate (kbps)	Channels	Channel spacing
868 MHz	Europe	BPSK	20	1	N/A
915 MHz	America and Asia	BPSK	40	10	2 MHz
2.4 GHz	Global	O-QPSK	250	16	5 MHz