2016 functional design GPS ring tracker with GPS tracking system

Model Number: P9-29-13 Brand Name: i365-Tech Key Specifications/Special Features: Features:1. GPS + LBS + Wi-Fi positioningDevicesupports GPS, Wi-Fi andLBS positioning, GPSis mainlyfor outdoor positioning, Wi-Fi and LBS mainlyforindoorposition2. Geo-fence:AftertheGeo-fenceissetup,youwillgetalertnoticewhenthe kids are out of the range of the setup circle, whichwillsecurethekid's safetyandkeep you peaceofmind3. SOS call:
WithSOSbuttonandtwowayvoicefunction, kid's or seniorscan press theSOS button for help and talk withthehostwhentheyareinemergency
4. Historicalroute:
Devicewillkeep recordofthe historicalroute for threemonths, user can check the records on smartphone
5. Voice monitoring:
Select voice monitoring function in setting up and fill in your mobile phone number, wait for while and after confirmation equipment will be senta callingto your number, you can listen to the voice around locator after answering
Structure parts
Device size: 38.5x38.5x17mm
Weight: 24g
Colors: red, green and white
Button: one button (power/SOS button)
Screen: no
GPS antenna: high sensitive ceramics active antenna
GSM antenna: FPC antenna
Battery: 450mAh
SIM card slot: 1 piece
G-sensor: supported
I/O port: USB charge
Hardware parts:
Chipset: MTK MT6261
GPS chip: MTK3337
GPRS: class12
GPS signal: L1, 1575.42MHz C/A
GPS channel number: 22 channels
GPS chip receive sensitivity:
Tracking sensitivity: -165dBm
Capture sensitivity: -148dBm
GPS location accuracy: 5-15M
LBS location accuracy: 100-1000M
Minimum standby current: less than 0.5mA
Average standby current: less than 2.5mA
Average working current: around 55mA
Working temperature: -20 to 70°C
Working humidity:5% to 95% non-congealable
Test and certification: can approval by 3C, CE and RoHS Directive-compliant
GPS antenna: built-in high sensitivity FPC antenna
GSM antenna: built-in four frequency method of antenna
G-sensor: supported
MIC: supported
Software parts:
Supported operating systems: supports Android 2.3 and above system, iOS 5.0 and above
Language support: simplified Chinese and English (compatible with supports for multiple languages)
GSM+GPRS+GPS:GPS+LBS+Wi-Fi multiple modal positioning
Supports AGPS: cold start 26 seconds positioning
Call function: SOS call, voice