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PT21 Worlds Smallest GPS Tracking Device

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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.


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ip67 waterproof japan small sim card worlds smallest GPS tracking device for animals. worlds smallest GPS tracking device has a lot of Functions, such as Voice Monitoring-Dual-call function,SOS emergency call, Remote monitoring, voice monitoring, and no disturb mode. Please insert GSM network Nano SIM card which can support one of the network modes: GSM 850,900,1800,1900MHZ.


*IP67 Waterproof worlds smallest GPS tracking device
*Real-time Tracking
*Historical Track Playback
*SOS Alarm
*Voice Monitoring
*Two-way Voice Calling

*Low Battery Alarm


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  • Historical Route 
  • SOS Alarm
  • Weeks Standby Time 
  • Two-Way Communication 
  • Voice Monitoring 
  • Geo-fence Function 
  • IP67 Waterproof
  • No disturb Mode

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♠ Kid Care 

As kids grow, they’ll want to explore, push boundaries, and make their own rules. Whether your child is on a family outing, at an amusement park, or on a school trip, tracking devices for kids give you one less thing to worry about.

♠ Elderly Safeguard

Dementia and other similar conditions often cause older adults to become disoriented or lost in both familiar and unfamiliar places. The use of istartek GPS tracker PT21 can bring your aging loved one safely home and provide greater peace of mind for caregivers and family members.

♠ Disabled Support 

Most people with disabilities are often left fending for themselves, they are not entirely helpless, and if you equip them with the right devices in case of emergencies, they can help themselves by alerting their loved ones to take immediate actionby press SOS buttons)

♠ Pet Protection 

Having pets certainly brings more joy and happiness to life but also worries and concerns of losing them. By pets carrying our tracker, you can find out where your beloved pet has gone whenever and wherever you want. 

♠ Lone Worker Care 

As an employer, you have a Duty of Care and legal requirement to protect all staff, especially those who work alone and off-site. With PT21 GPS Tracker your Lone Workers can log their whereabouts leaving details of their GPS location as well as discreetly raising an alarm when an emergency situation occurs.

♠ Asset tracking 

For assets large and small, on land or sea, there is a GPS solution built to protect them. Choose a small battery-powered tracker to monitor merchandise through every step of the supply chain, or keep an eye on heavy machinery and farm equipment with long-lasting large asset trackers.  


Size: 52*38*16mm worlds smallest GPS tracking device
Material: ABS worlds smallest GPS tracking device
Weight 36g
Type: 2G
Sim Card Slot: 1pc
Frequency(2G): 850/900/1800/1900MHz
Battery Capacity: 1000mAh Lithium Battery
G-sensor: Support
I/O Port: Magnetic suction charging
CPU: MTK 2503A
GPS Chip: MTK2503
GPRS: Class12
GPS Signal: L1,1575.42MHz C/A
GPS Channel number: 22 Channels
LBS Positioning Accuracy: 100-1000M
GPS Sensitivity: Tracking sensitivity:-165dBm,capture sensitivity:-148dBm
GPS Positioning Accuracy: 5-15M
Working temperature: -20~70℃
Positioning Mode: GPS,LBS
MIC: Support


Standard Package Magnetic Charging Cable Lanyard User Manual Gift retail box
Optional Accessories Nylon Collar Silicon Case    

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Startrack Technology Co., Ltd is a quality manufacturer with 8years industry experience.
We dedicated to providing customized service and integrated solutions for:
GPS Tracking Solution-–GPS Vehicle Tracker, GPS Personal Tracker, GPS Pet Tracker, and GPS Tracking System
M2M— Smart PDA with RFID Reader, Scanner
ICT—3G.4G Wireless Router/Modem
With the comprehensive product ranges, we are confident to support our partner to increase market shares quickly.


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worlds smallest gps tracking device Packing Details:
 Product size:52*38*16mm
 Carton size: 41*26*36cm
 Gross weight: 8.3kg

worlds smallest gps tracking device Shipping:
   Sample: shipping within 3 days
   Mass Production: based on quantity

1. How can I get your price list?

Please leave your contact way Such as Email/Whatsapp/Skype/Trade manager to us.we will contact you and pass our quotation sheet to you.

2. What’s the MOQ of worlds smallest GPS tracking device?

Small MOQ is available, just contact us with no hesitate.thanks.

3. How could I get samples of worlds smallest GPS tracking device?

If you need to order a sample for checking-up, we would like to ask you to pay for the samples and courier freight. We send the key finder to you only after receipt of your payment.if you have a courier account, you can send your courier to collect samples from our company or send us the samples charge together with the courier cost.

4. How much the Courier freight will be for the samples?

Courier freight depends on the quantity, weight and carton size and your area.

5. Can we have our logo or company name to be printed on your products or the package?

Yes, we can customize your Logo on our products and package. You can send us the artwork by email in JPG/TIF/AI/EPS/TIFF or CorelDraw formats.

6. What’s your usual payment term for orders?

We accept terms of T/T / Western Union /Escrow / LC.

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 PT21 GPS Tracker Specification
Product positioning  Waterproof Mini GPS tracker
Main features Waterproof IP67, Delicate appearance pendant, GPS + WIFI + LBS multimode precise positioning, static dormancy save electricity design, real-time positioning, intelligent monitoring, remote record function
1. structure division
structure parts category specification remarks
ID design delicacy and smart
Whole machine size 52X38X16mm
Weight Color Optional
colour 36g
button one button(power/SOS button)
screen no
gps antenna High sensitive ceramics active antenna
GSM antenna FPC antenna
battery 1000mAh
SIM card slot 1 pc
G-sensor support
I/O port Magnetic suction charging
2. Hardware parts
Hardware parts CPU MTK MT2503A
GPS chip MTK2503
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 0.5 mA
Average stndby current less than 2.5 mA
Average working current around 55mA
Working temperature -20~70℃
Working humidity 5% to 95% non-congealable
GPS antenna Built-in high sensitivity FPC antenna
GSM antenna Built-in four frequency method of antenna
bluetooth bluetooth 3.0(Normal closed) can support bluetooth 4.0 in future
G-sensor Support
MIC Support
3. software parts
software parts supported operating systems Support android 2.3 and above system, IOS5.0 and above.
call function double talk/The remote monitoring
Language support Simplified Chinese and English Compatible with support for multi-languages
GSM+GPRS+GPS GPS+LBS+WIFI Multi-modal positioning
support AGPS Cold start 26 seconds positioning
call function SOS call, voice monitor, whitelist for don’t disturb
power management Ultra-low power consumption of power management,intelligent dormancy
One key emergency SOS one key emergency function ,autodialing
Record function choose the record function on the APP, and then  the device can be record actomate, after record,will send back to APP directly.
Smart Geo-fence Outside the range setting can be automatic alarm
wireless upgrading Software upgrade,remote debugging maintenance, remote setting parameters
historical route Can check history of three months

Optional Accessories: