Smart Machine Smart Decision
SIM868_Series_Hardware_Design_V1.06 12 2017-07-13
Can be used for debugging and upgrading firmware
Phonebook management Support phonebook types: SM, FD, LD, RC, ON, MC.
SIM application toolkit GSM 11.14 Release 99
Physical characteristics
Size:17.6*15.7*2.3mm
Weight:1.5g
Firmware upgrade Full modem serial port or USB interface
Table 2: Coding schemes and maximum net data rates over air interface
Coding scheme 1 timeslot 2 timeslot 4 timeslot
CS-1 9.05kbps 18.1kbps 36.2kbps
CS-2 13.4kbps 26.8kbps 53.6kbps
CS-4 21.4kbps 42.8kbps 85.6kbps
Table 3: Key Features of GNSS Part
Parameter Description
Performance
Min Typ Max Unit
Horizontal Position
Accuracy
(1)
Autonomous <2.5 m
Velocity Accuracy
Without Aid 0.1 m/s
Acceleration Accuracy
Without Aid 0.1 m/s
Dynamic Performance
Maximum Velocity 515 m/s
Maximum Acceleration 4 G
TTFF with GPS
only
(3)
Hot start <1 s
Warm start 21.4 s
TTFF with
GLONASS only
(3)
Hot start <1 s
Cold start 21.68 s
TTFF with GPS and
GLONASS
(3)
Hot start <1 s
Warm start 21.54 s
Cold start 21.67 s
A-GPS TTFF(EPO in
flash mode)
Hot start <1 s
Cold start / s
A-GPS TTFF(Easy
mode)
Hot start <1 s
Warm start 1.4 s