A Wearable System for Real-Time Continuous Monitoring of Physical Activity

Table 1

Wireless communication technology comparison.

	Bluetooth	BLE	Wi-Fi	6LoWPAN Thread	NFC	ZigBee	Other (nRF24)
Power consumption	Low (>30 mA)	Very low (<15 mA)	High (60 mW)	Low	Very low (<15 mA)	Medium (<1 μW to 50 mW)	Very low (15 mA)
Max range	50 m/100 m	50 m	100 m	30 m	0.2 m	100 m	30 m
Standard	802.15.1 (originally)	802.15.1 (originally)	802.11	802.15.4	ISO/IEC 18092, ISO/IEC 14443-2,3,4	802.15.4	—
Market adoption	Very high	High	Very high	Low	High	High (in industrial developments)	Low
Max data rate	24 Mbps	1 Mpbs/2 Mbps	300 Mbps	250 Kbps	424 Kbps	250 Kbps	1 Mpbs/2 Mbps