A Comprehensive Review on Smart Health Care: Applications, Paradigms, and Challenges with Case Studies

Table 5

Short- and long-range communication devices.

Communication devices		Range	Topology	Band of operation	Data rate	Security	Employability in HCS
Short-range communication devices	Bluetooth zigbee 6LoWPAN	150 m 30 m 10–100 m	Star mesh mesh	2.4 GHz 2.4 GHz 868 & 915 MHz, 2.4 GHz	1 Mbps 250 kbps 250 kbps	128-AES encryption Optional128-AES encryption end-to-end hop-by-hop	High moderate moderate
	Z-wave	100 m	Mesh	908.4 HGz	100 kbps	128 Bit zero temporary key	Moderate
Long-range communication devices	SigFox LoRa NB-IoT	9.5 km 7.2 km 15 km	Hop-star star-of-stars mesh to star	868 MHz 868 MHz LTE	100 bps 0.25–5.5 kbps 250 kbps	Private key unique key 3 GPP S3 security	Low moderate high