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PT21 Smallest GPS Tracking Device

worlds smallest gps tracking device, small gps tracking chips for sale

Product Description:

worlds smallest GPS tracking device, which is designed for a cat, dog, cow, and other pet GPS tracking. Working based on existing 2G/GPRS/GSM network and GPS satellites, this product can locate and monitor any remote targets by SMS, APP, and the Internet. It adopts the most advanced technology of GPS Wifi and GPS positioning.


  GPS+LBS+WIFI positioning

Allow the location to be pinpointed accurately and rapidly.

    15 days of standby time

1000mah high capacity Li-ion battery allowing sufficient power supply.

  SOS call & Voice monitor

Thumb sized button allowing urgent call during an emergency case.

    IP67 Waterproof Level

With an exquisite and waterproof design, there is no worry when a car is driving on a rainy day.

  Two-way communication

With MIC and speaker, it’s easy to realize voice-monitor or two-way audio.

    Historical route

Can check the history of three months

  Intelligent Power management 

Ultra-low power consumption of power management, intelligent dormancy

   GPS + LBS Positioning    Tracked By: SMS, APP, Web

Track devise in real-time by web-based tracking software, as well as IOS and android app.



GSM Specifications

Frequency 850/900/1800/1900MHz @GSM
GSM Chipset MTK MT2503A
Data Transmission GPRS: Max.85.6Kbps (DL)/Max.85.6Kbps (UL)
GSM Data Transmission Multi-slot class 12


GNSS Specifications

GPS Chipset MTK high sensitivity chip
Sensitivity Acquisition -148dBm

Tracking -165dBm

Reacquisition -160dBm

Position Accuracy Autonomous: 5-15m 

Wi-Fi indoor: 20-100m

LBS location: 100-1000m

Velocity Accuracy Without Aid: <0.1m/s
Channel 22 (Tracking)
TTFF (Open Sky) Cold Start: <26s

Warm Start: <15s

Hot Start: <2s

Reacquisition Time <1s



Power Charging Magnetic suction charging
Cellular Antenna Internal antenna
GNSS Antenna Internal antenna
LED Indicators 1 Indicator
Communication Port Two-way audio/remote voice monitor/SOS calling


Air Interface Protocol

Transmit Protocol TCP, UDP, SMS
Scheduled Report Report position and status based on preset time intervals, distance, mileage or a combination of these settings
Geo-fences Geo-fence alarm and parking alarm
Low Power Alarm Alarm when the backup battery is low