product description:
Specifications:1. Technical specifications
The GSM module: GSM850/900/1800/1900 MHz
The sensitivity of GPS: -163dBm
GPS center frequency: L1, 1575.42MHz
GPS positioning precision: 5-25 meter
GSM positioning precision: 100-500 meter
The accuracy rate: 0.1 m/ s
The accuracy of time: synchronization with GPS
The default data: WGS-84
Hot start: 1 second
Warm start: 38 seconds
The maximum altitude: 18000 meters
The maximum speed: 515 m/ s
The acceleration of gravity: < 4G
2. Other
Working temperature: -20---65 ?
Humidity: 5%---95%
Size: 61.8mmx41mmx18mm (The host)
Voltage: Rechargeable 500mAh battery
Power supply: DC5V
Standby time: 15 hours
Button: SOS emergency help key, CALL1 key, CALL2 key, key switch, interface switch key
Matters needing attention:
1. the equipment is non waterproof design.
2. It must working under GSM/GPRS network environment.
3. in order to make it work, be sure that the SIM card has a sufficient balance.
4. the equipment can not work in the off state and out of the service area, even the registered user.
5. the device supports GPS and GSM/GPRS dual positioning.
6. please use this device within the scope permitted by law. Any violation of the legal consequences would be responsible for their own by the user.
Note: due to the high sensitivity of the GPS module, in the case of weak GPS signal, drift is a normal phenomenon. Package includes: 1 x TK109 Watch Locator ;1 x earphone ;1 x Cable ;1 x User manual
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