
5
3 Product Specifications
(1). Technical Specifications
GSM module
GSM 850/900/1800/1900 MHz Quad frequency
GPS sensitivity
-163dBm
GPS center frequency
L1, 1575.42MHz
GPS positioning accuracy
5-25m
GSM positioning accuracy
100-500m
Speed accuracy
0.1 m/s
Time accuracy
Synchronous with GPS
GPS Datum
WGS-84
Hot start
< 1s
Warm start
< 38s
Max. altitude
18000m
Max. speed
515m/s
Gravitational acceleration
﹤
4g
(2). Others
Operating temperature
-20---65
℃
Humidity
5%---95%
Dimensions
64.5mm×45.5mm×17.5 mm (main unit)
Voltage
Rechargeable 450mAh battery
Power supply
DC5V
Standby time
>48h
Buttons
SOS button for emergency aid; Call 1, Call 2,
Switch on / off buttons, interface switch button
Содержание TV680
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