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Hidden Monitor Personal GPS Tracker with Sos Button Item No:
1.Inbuilt GPS Module
2.Internet positioning service center, used to receive and send positioning information
3.GSM /GPRS modem supports Quad frequency bands, I.E.850/900/1800/1900 MHz
4.High-sensitivity, new workmanship and the most advanced GPS chip
5.Can work effectively in limited space such as urban canyon
6.Low energy consumption
7.Fast signal acquisition
8.Supports single positioning and continuous tracking;
9.Supports alarming and remote monitoring
10.Supports fast dial button
11.Supports the location information inquiry by SMS and Internet
12.May monitor without disturbing the tracked person and realizes real-time tracking;
13.Can position the holder by call or SMS
14.In emergency, press the SOS button to have an accurate positioning
GSM module:GSM 850/900/1800/1900 MHz Quad frequency
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
Hot start:< 1s
Warm start:< 38s
Dimensions:64.5mm×45.5mm×17.5 mm (main unit)
Voltage:Rechargeable 450mAh battery
Buttons:SOS button for emergency aid;Call 1, Call 2, Switch on / off buttons, interface switch button
1.Why the command is sent and no reply
Wrong number or the SIM card in the terminal is back charge.
The place of the GPS track is out of the GSM service area
Sometimes the SIM card provider is quite busy, so the SMS is delay
2.Why the command is sent, the device replies wrong prompt
Make sure that there is an authorized number in the terminal
Whether the password is correct?
Make sure the format of the command is correct
Do not add any other character into the commands.
3.Why there are some deviations in the map for the real position
Based on the national security concerns, Google map has made artificial error in the plan metric map.
Appear this kind of circumstance is not the malfunction of tracker, but normal phenomenon.You can choose the satellite map.
The GPS signal is feeble.
When the device is inside the house or be the center of the high buildings, the GPS signal will reflective mutually, then bring the deviation for the locating.
When the number of the satellites is lack, also will bring the deviation for the location, then will not show the accurate position on the map.
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