Fast Signal Acquisition S680 Personal GPS Watch with SOS Function is a great product and we recommend it to you. Before you decide to buy Fast Signal Acquisition S680 Personal GPS Watch with SOS Function, please read our review of this product.
Product Details
- Brand: SEEWORLD
- Model: S680
Features
- Internet positioning service center, used to receive and send positioning information
- High-sensitivity, new workmanship and the most advanced GPS chip
- Supports single positioning and continuous tracking;
- Supports the location information inquiry by SMS and Internet
- In emergency, press the SOS button to have an accurate positioning
Product Description
Specification:
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:less 1s
Warm start:less 38s
Max. altitude :18000m
Max. speed:515m/s
Gravitational acceleration:less than 4g
(2). Others
Operating temperature:-20---65°C
Humidity:5%---95%
Dimensions:64.5mm×45.5mm×17.5 mm (main unit)
Voltage:Rechargeable 450mAh battery
Power supply:DC5V
Standby time:more than 48h
Buttons：
SOS button for emergency aid;
Call 1, Call 2, Switch on / off buttons, interface switch button
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