Watch Wristwatch GPS GSM GPRS Tracker TK109 for Child Kid Elderly

Description:
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 .
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 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.
15.Technical Specifications.
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Specification:
:64.5*45.5*17.5mm
Weight (Kg):0.33
Network:GSM/GPRS
Band:850/900/1800/1900Mhz?
GSM/GPRS Module:Sim900B
GPS Module:SIRF3
GPS Sensitivity:-163dBm
GPS Accuracy:5m
Applicable Vehicle :12 V
Storage Temp:-40° to +85°
Operation Temp.:-20° to +65°
Humidity:5%--95%
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 than 1s
Warm Start:less than 38s
. altitude:18000m
. speed:515m/s
Gravitational Acceleration:less than 4g
Operating Temperature:-20---65
Humidity:5%---95%
Dimensions:64.5mm×45.5mm×17.5 mm
Voltage:Rechargeable 450mAh
Supply:DC5V
Standby Time:more than 48h






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