City-Wide NB-IoT Network Monitoring and Diagnosing

Table 4

Energy footprints of the Simcom7000c NB modem.

Procedure	Latency		Current
	144 dB	164 dB	144 dB	164 dB
Cell search	6 s	6 s	15 mA	15 mA
Attach+PDN	0.53 s	0.53 s	52 mA	52 mA
200B data transfer	0.27 s	6.21 s	220 mA	320 mA
RRC connected	10 s	10 s	15 mA	15 mA
RRC idle	10 s	10 s	400 μA	400 μA
PSM	24 h	24 h	3.5 μA	3.5 μA