Specification :

1> It supports geo fence funtion and all 4 frequencies,work all over the world .
2> The electronic screen has replaced the LCD screen to avoid flickering , so as to save power .
3> The raised part on the upside of the previous version has been removed
4> We have added mark "SOS","CALL1" ,"CALL2" on the buttons to indicate their separate function . Then you can dial the correct buttons as you favor , much better for old people

Product Features
¡ñ Inbuilt GPS Module

¡ñ Internet positioning service center, used to receive and send positioning information

¡ñ GSM /GPRS modem supports Quad frequency bands, i.e. 850/900/1800/1900 MHz

¡ñ High-sensitivity, new workmanship and the most advanced GPS chip

¡ñ Can work effectively in limited space such as urban canyon

¡ñ Low energy consumption

¡ñ Fast signal acquisition

¡ñ Supports single positioning and continuous tracking;

¡ñ Supports alarming and remote monitoring

¡ñ Supports fast dial button

¡ñ Supports the location information inquiry by SMS and Internet

¡ñ May monitor without disturbing the tracked person and realizes real-time tracking;

¡ñ Can position the holder by call or SMS

¡ñ In emergency, press the SOS button to have an accurate positioning

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
48h

Buttons
SOS button for emergency aid; Call 1, Call 2, Switch on / off buttons, interface switch button