Investigation of Wireless Sensor Networks for Structural Health Monitoring

Table 1

The carrier frequency and transmission bandwidth of ZigBee Alliance and the IEEE 802.15.4 standard.

Carrier frequency	Band nature	Maximum bandwidth	Frequency point
2.4 GHz	ISM Worldwide	250 kbps	16
868 MHz	Europe	20 kbps	1
915 MHz	ISM Americas	40 kbps	10
780 MHz	802.15.4c (Chinese)	250 kbps	8