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Mini Car GPS Tracker GF-21 Magnetic Real Time Vehicle Truck Locator Device Anti-Lost Record Tracking Finder Device Long Standby

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Quick Details

Usage: Car Anti-theft
Place of Origin: China
Warranty: 1 Year
OS: no system
Support: WIFI/USB/4G/Ipod/Radio/Video/Audio/Gmail
Waterproof: YES
Use: Automotive
Connection: 2G Sim Card
Feature: SOS Alarm
GPS Sensitivity: 159dB
Function: Touch Screen,Bluetooth-Enabled
GSM Frequency: Quad-band 850/900/1800/1900 MHz
Operation systems: Android 8.1
Type: GPS Tracker
Placement: PORTABLE
Battery: 800mAh
Network: GSM/GPRS 850/900/1800/1900MHz
Screen Type: Projected Capacitive Touch Screen
Application: Real-time Tracking
Resolution: 800*480
Packaging Detail: BOX package
Selling Units: Single item
Single package size: 4X5X10 cm
Single gross weight: 0.02 KG
Package Preview:
Shenzhen Eastech Company Limited
Manufacturer, Trading Company
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On-time delivery rate
US$ 150,000+
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Mini Car GPS Tracker GF-21 Magnetic Real Time Vehicle Truck Locator Device Anti-Lost Record Tracking Finder Device Long Standby

Product Description
    • Remote pickup, remote recording, voice-activated callback, voice-activated recording, high-definition silicon microphone WIFI+LBS+AGPS positioning.
    • Real-time tracking, historical track, vibration burglar alarm, electronic fence, built-in strong magnetic, multiple power-saving modes, low-power alarm , remote switch machine.
    • SOS Call for Rescue: In case of emergency, press the SOS key, that is, to send a call and information to the guardian for help.
    • Device Loss Can be found by Mobile App.
    • Two-way Call: Address Book Number Calls with Users.
    • Class anti-interference mode: set the non-interference time range through the guardian's mobile phone APP, and shield the incoming calls from the equipment.
    • Remote monitoring: a highly sensitive microphone that monitors the surrounding sound in real time in case of an emergency.
    • Device shutdown and restart function can be realized by guardian's mobile phone APP.


1. Remote pickup, remote recording, voice activated callback, voice activated recording, high-definition silicon microphone WIFI + LBS + AGPS positioning. 
2. Real-time tracking, history tracking, anti-theft vibration alarm, electronic fence, built-in strong magnet, multiple power saving modes, low battery alarm, remote switch machine. 
3. SOS emergency phone: In an emergency, press the SOS button to send a phone number and information to the guardian for help. 
4. The lost device can be found through the mobile application. 
5. Pedometer: used to measure the user's walking data. Alarm clock: set by the guardian's mobile application. 
6. Two-way call: call with the user's address book number. 
7. Class anti-interference mode: Set the non-interference time range through the guardian's mobile phone APP, and block incoming calls from the device. 
8. Remote monitoring: Highly sensitive microphone can monitor the surrounding sound in real time in an emergency. 
9. The shutdown and restart function of the device can be realized through the guardian's mobile phone APP. 
10. Intelligent power saving: turn off/on GPS and data upload in time. 
11. Mobile client/WeChat messenger/computer service platform, multiple control modes. 

Material: ABS 
Model: GF-21 
Memory: 0.5 (M) 
GPS positioning accuracy: 10 (m) 
Alarm mode: vibration alarm, fence alarm, movement alarm, SOS alarm 
Battery type: lithium battery 
Battery life: 100 (h) 
Waterproof function: none 
Antenna type: GPS+GSM+WIFI 
Map function: Baidu 
Interface text: Chinese and English 

No. Item Description---(Dual positioning system: APP/SMS) 
1 Main functions Support: real-time GPS/AGPS/WIFI/LBS positioning, SOS help, remote monitoring, dialing family numbers, pedometer, electronic fence warning reminder, historical track query, alarm clock function, class mode, power saving mode. 
2 chip MT2503/MTK3333/MTK5931 
3 Memory 32M Flash Memory 
4 RF power amplifier RDA6625E 
5 Mainboard stack size 20*35*4.5mm (thickness is the total thickness of PCBA+GPS antenna) 
6 Working environment temperature -20- +70 
7 Working environment humidity 20%-80%RH 
8 SIM card Nano SIM card holder 
9 GSM frequency band 850MHz/900MHz/1800 MHz/1900MHz 
10 GPRS Class 12 
11 Battery Charge 5V 3.7V 400mAh (Choose the size of the battery according to the different design of the structure) 
12 Standby average current is less than 2ma (specifically determined by the connection method) 
13 I/O interface Built-in Micro 5pin 
14 Horn 0916 Specification AAC 
15 MIC high-definition silicon microphone (sound can be heard within 10 meters) 
16 sensor 3D G-Sensor 
17 TF supports up to 32G long recording 



SMS Commands




Edit SMS command






Binding master number


000#number# number# number#


Up to three cell phone numbers are supported to be bound; dial the device from three cell phone numbers can realize pickup; you can also bind one cell phone number


SMS recording



Reply: Start recording 10


Record once, 10 min (for products with memory card)


Voice control recording



Reply: Voice control recording 10


The device monitors 60 db and automatically records. Loop recording, 10 min each (send to app if without a memory card)


Voice control callback



Reply: Voice control telephone alarm


The device monitors 60 db and automatically dials the master number.


Turn off all functions



Reply: Turn off all functions



Vibration alarm message



Reply: Vibration SMS alarm


The device automatically sends SMS to the master number when it detects vibration.


Vibration alarm call



Reply: Vibration call alarm


The device automatically dials the master number when it detects vibration.


Recording 10 seconds and upload to app



Reply: Send recording 10


Operation and playback of recordings on app



Company Information

 Eastech Company Limited was found in 2004 . We are one of Chinese leading manufacturer of wireless ,bluetooth, power supply and electronic instruments products. Our flagship products are widely used as components for Computers, STB, Raspberry PI,Odroid,IPTV BOX,Satellite receivers.Over 14 years development,we have cooperated with many brand wholesalers in USA, Europe, Canada,Brazil, Chile, Zambia.We have 3 branches in China,One is located in HK as sales and payment processing center ,Another is located in Shenzhen as manufacturer center. Also we have business development department in Wuhan. With years' development in software and hardware, we believe that we can supply best products and customized service to our customers worldwide. We hope we can grow up together with our new customers and we can keep good cooperation with our trusted old customers.




Packaging & Shipping

 shipping .jpg



1.Q: How do I contact you?
   A: You can contact us by inquiries, E-Mail, Trade Manager, WhatsApp, Facebook messenger, Skype,etc.
2.Q:What's Minimum of Quantity( MOQ ) for this item?
   A: MOQ is not the same for different products.We accept low MOQ for most items.
3.Q: Could I get a sample before making an order?
   A: We can offer sample to you, but you need to pay sample cost and freight.
4.Q: Can I get a catalog?
   A: Of course, contact our salesman to get a catalog.
5.Q: Do you have your own brand?
   A: Some products have our own brand.
6.Q:Can I customize LOGO?
   A: Yes, we can make logo on products and packing based on your requirement.
7.Q:What is your packing?
   A: We use opp bag(plastic bag)/blister box/paper box for products.We use thicken carton box outside. .
8.Q: What is your production time?
  A: Stock goods 1-3 days, customized production 7-15 days.
9.Q: What are the terms of payment you have?
   A: We accept 100% T/T before shipment.For small amount payment,we accept alipay ,paypal,western union,money gram.
10.Q: I only have a credit card,how can I pay?
     A:You can pay for PayPal by credit card.

11.Q: How do you ship to me?
     A: We usually send by Express like DHL/FedEx/UPS/TNT, or by post office, airport to airport,sea shipping depending on customer requirement.
12.Q: Do I need to pay any charge when receive the parcel?
     A: Sometimes you need to pay custom duty, it depends on your country policy.
13.Q: Do you give a warranty of your product?
     A: If there is someone not function we will provide a replacement and send it to you in the next order.
14.Q: Do you support  Amazon FBA and Drop Shipping?
     A: Yes, we support Amazon FBA and Drop Shipping.
15.Q: Can I mix to buy your product?
     A: Most of the products can be mixed to buy.