hardware design v1.00

Smart Machine Smart Decision
SIM968_Hardware Design_V1.00 2013.02.25
10
z 1200bps to 115200bps.
z Can be used for AT commands or data stream.
z Support RTS/CTS hardware handshake and software ON/OFF flow control.
z Multiplex ability according to GSM 07.10 Multiplexer Protocol.
z Autobauding supports baud rate from 1200 bps to 57600bps.
Debug port:
z Null modem interface DBG_TXD and DBG_RXD.
z 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
Real time clock Support RTC
Physical characteristics
Size: 30*30*3mm
Weight: 5.3g
Firmware upgrade Firmware upgradeable by debug port.
*
SIM968 does work at this temperature, but some radio frequency characteristics may deviate from the GSM specification.
Table 2: GNSS engine Performance
Performance
Parameter Description
Min Type Max Unit
Horizontal Position
Accuracy
(1)
Autonomous <2.5 m
Without Aid 0.1 m/s Velocity
Accuracy
(2)
DGPS 0.05 m/s
Without Aid 0.1
m/s
2
Acceleration
Accuracy
DGPS 0.05
m/s
2
Timing Accuracy 10
nS
Maximum Altitude 18000
m
Maximum Velocity 515
m/s
Dynamic
Performance
Maximum
Acceleration
4
G
Hot start <1 s
Warm start 26 s
Time To First Fix
(3)
Cold start 28 s
Hot start 0.7 s
Warm start 1.5 s
A-GPS TTFF(EPO
in flash mode)
Cold start 12.5 s
Autonomous
acquisition(cold start)
-148 dBm
Re-acquisition -160 dBm
Sensitivity
Tracking -167 dBm
Channels 132
Update rate 1 10 Hz
Receiver
Tracking L1, CA