Features:
1. Real-time positioning: query position information and adjust positioning interval, and navigate to find personnel.
2. Historical track: View the movement track of any day within 90 days
3. Fence:
GPS fence: Compare the GPS positioning data and judge whether there is an alarm for entering or leaving the fence.
WIFI fence: Compare the WIFI hotspots and judge whether there is an alarm in or out of the fence.
4. Health:
Calculate the amount of exercise, calorie consumption and exercise journey of people.
Medicine reminder: Three different modes of medicine reminder settings: single; daily and customized; and you can record the voice of the reminder, etc.
5. Call:
Dial the locator phone: two-way talk.
Voice monitoring: ask the locator to call back the specified number and listen to the sounds around the wearer
6. Command setting: make relevant settings for the positioner, for example:
The master number is used to receive alarm information
SOS SOS phone alarm
Fall Detection Sensitivity and Fall Alarm Settings
Call Answering Modes: Mute, Auto and Key Answer
Buzzer Sound Lookup: The locator will make a sound. It is convenient to find the target more quickly.
SMS alarm switch
Remote restart, shutdown or factory reset, etc.
7. Message list: Displays all alarm lists of the locator, including offline, low battery and entry and exit of the electronic fence, etc.
8. Reminder settings: Open all to receive an alarm push. Please be sure to enable the relevant push permissions in the app permissions of your phone

GPS:
GPS:
1. Chip model: TD1030
2. GPS signal: L1, 1575.42MHz C/A code
3. Number of GPS channels: 72 channels
4. GPS chip receiving sensitivity: -163dBm, capture: -147dBm
5. GPS positioning accuracy: 5-15m
6. GPS Antenna: LDS/Ceramic Antenna
7. AGPS: Support
8. AGPS fast positioning time: 28 seconds for cold start
9. LBS positioning accuracy: 100-1000M (based on AMAP database)
10. WIFI: only support RX
WiFi chip model: built-in
WiFi standard: 802.11b\802.11g\802.11n
WiFi positioning accuracy: 5-50M (according to AutoNavi or Google data)

parameter:
1. Battery capacity: 1000mAh
2. Average standby current: 5mA/h
3. Average operating current: 8mA/h (positioning once every ten minutes)
4. Operating temperature: -20 to 70 degrees Celsius
5. Working humidity: 5% to 95% non-solidifying
6. Waterproof grade: IP67
7. Memory capacity (RAM+ROM): RAM 128Mb+ built-in ROM 196Mb
8. Chip platform: RTOS ASR3603S
9. Main frequency: 832MHz
10. Architecture: Single-core ARM Cortex-R5 processor
11. Number of cores: single core
12. Supported formats: GSM\WCDMA\FDD-LTE
13. Frequency bands:
FDD: B1 B2 B3 B5 B7 B8 B20 B28A
WCDMA: B1\2\5\8
GSM: Band B2\3\5\8
14. Standby mode: single card NANO