Table 2.

Evolution of Cellular communication technologies for M2M [94,95].

	Spectrum (MHz)	Channel Width	TX Rate DL	TX Rate UL	TX Power UL	Duplexing	Availability
Release 8 Cat-4	700–900	20 MHz	150 Mbps	50 Mbps	23	Full Duplex	Available
Release 8 Cat-1	700–900	20 MHz	10 Mbps	5 Mbps	23	Full Duplex	Available
Release 12 Cat-0	700–900	20 MHz	1 Mbps	1 Mbps	23	Half Duplex	Available
Release 12/13 LTE-M	700–900	1.4 MHz	200 kbps	200 kbps	20	Half Duplex	2016
Release 13 NB LTE-M	700–900	200 kHz	200 kbps	144 kbps	23	Half Duplex	2016
EC-GSM	800–900	200 kHz	~300 kbps	≤10 kbps	23–33	Half Duplex	2016
CS IoT	700–900	5kHz (UL) 3.75 kHz (DL)	200 kb/s	~48 kbps	≤23	Half Duplex	2016