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-3
15.6kbps
31.2kbps
62.4kbps
CS-4
21.4kbps
42.8kbps
85.6kbps
Table 3: Key Features of GNSS Part
Parameter
Description
Performance
Min
Typ
Max
Unit
Power supply
Power supply
2.9
3
4.4
V
Horizontal Position
Accuracy
(1)
Autonomous
<2.5
m
Velocity Accuracy
(2)
Without Aid
0.1
m/s
Acceleration Accuracy Without Aid
0.1
m/s
2
Accuracy of 1PPS
10
nS
Backup batter voltage VRTC
2.3
4.3
V
Dynamic Performance
Maximum Altitude
18000
m
Maximum Velocity
515
m/s
Maximum Acceleration
4
G
TTFF with GPS
only
(3)
Hot start
<1
s
Warm start
21.4
s
Cold start
22.3
s
TTFF with
GLONASS only
(3)
Hot start
<1
s
Warm start
21.2
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
Warm start
/
s
Cold start
/
s
A-GPS TTFF(Easy
mode)
Hot start
<1
s
Warm start
1.4
s
SIMCOM
CONFIDENTIAL
FILE
