13
Failed to connect to the server (single IP 3 times, dual IP 2 times each);
No response from server after sending upload data three times in a row.
VCC voltage is lower than 2.9V;
After VCC is lower than 2.7V or devices resets 6 times continuously, if the upload
interval is less than 60 minutes, the sleep time will be changed to 60 minutes in
mandatory ;
2.13 Low Voltage Shutdown
Device will immediately enter the low-power mode and will not
wake up;
VCC voltage is lower than 2.7V;
VCC voltage is lower than 2.9V and the device has been continuously reset 6
times and the power is <=2%;
2.14 Connection timeout
Normally the maximum duration time of each wake-up of the
device is 15 minutes.
2.15 Network and Bands lock
Command
：
SEARCH,
P[
;
BandNBiot
;
BandCAT-M1]
#
P
: Network priority
P=1 Lock GSM
P=2 Nbiot Priority
，
CAT-M Second
，
GSM final
P=3 CAT-M Priority
，
GSM Second
，
NB OFF ,Defaulted
P=4 Lock CAT-M
P=5 Nbiot Priority
，
GSM Second
，
CAT-M OFF
P=6 CAT-M Priority
，
NB Second
，
GSM OFF
P=7 Nbiot Priority
，
CAT-M Second
，
GSM OFF
BandNBiot
: Nbiot Bands;ALL-Bands
，
Multiple bands are separated by half-width
commas, for example:B1,B3,B5
BandCAT-M1
: CAT-M1 Bands;ALL-Bands
，
Multiple bands are separated by
half-width commas, for example:B1,B3,B5