Here is a interesting comparison sheet that can help one choose the right technology based on the IoT system use case:

#	Technology	Frequency	Data Rate	Range	Power Usage	Cost
1	2G/3G	Cellular Bands	10 Mbps	Several Miles	3-High	3-High
2	Bluetooth/BLE	2.4 GHz	1, 2, 3 Mbps	~ 300 feet	1-Low	1-Low
3	802.15.4	Sub-GHz, 2.4 GHz	40 – 250 Kbps	> 100 square miles	1-Low	1-Low
4	LoRa	Sub-GHz	< 50 Kbps	1-2 miles	1-Low	2-Medium
5	LTE Cat 0/1	Cellular Bands	1-10 Mbps	Several Miles	2-Medium	3-High
6	NB-IoT	Cellular Bands	0.1-1 Mbps	Several Miles	2-Medium	3-High
7	Sigfox	Sub-GHz	< 1 Kbps	Several Miles	1-Low	2-Medium
8	Weightless	Sub-GHz	0.1-24 Mbps	Several Miles	1-Low	1-Low
9	Wi-Fi	Sub-GHz, 2.4 GHz, 5 GHz	0.1-54 Mbps	< 300 feet	2-Medium	1-Low
10	WirelessHART	2.4 GHz	250 Kbps	~ 300 feet	2-Medium	2-Medium
11	ZigBee	2.4 GHz	250 Kbps	~ 300 feet	1-Low	2-Medium
12	Z-Wave	Sub-GHz	40 Kbps	~ 100 feet	1-Low	2-Medium