Hidden Monitor Personal GPS Tracker with Sos Button Suppliers, China Hidden Monitor Personal GPS Tracker with Sos Button Manufacturers

• Product Name: Hidden Monitor Personal GPS Tracker with Sos Button Item No: 3229213108227 Description: Product Feature:
  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
  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:< 1s
  Warm start:< 38s
  Max.Altitude:18000m
  Max.Speed:515m/s
  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:>48h
  Buttons:SOS button for emergency aid;Call 1, Call 2, Switch on / off buttons, interface switch button
  FAQ:
  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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