Karadar STR G820 Radar Detectors Led 2 in 1 Radar Detector for Russia with GPS Car Anti Radars Police Speed Auto X CT K La

96% of buyers enjoyed this product! 1215 orders
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China Ukraine Russian Federation
Color Name:
classic style Upgrade
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Product Description

Karadar G820STR Radar Detectors Led 2 in 1 Radar Detector for Russia with GPS Car Anti Radars Police Speed Auto X CT K La

If you are from the United States, the United Kingdom, Poland, Spain, please do not buy, this product has no English, only Russian. You cannot use it in your country.

Advantages of Upgrade

1.The boot sound has changed and is more gentle.
2.There is a difference in voice broadcast. The prompt tone of each frequency band is different. You can know the radar frequency band from the prompt tone.
3.GPS module upgrade, using a more advanced GPS module, safe and stable, faster search speed.
4.The upgrade method is different, it is more convenient to use the software to upgrade with one button.

About the upgrade method of the Upgrade820

Many friends who bought the Upgrade820 suggested to us that after the radar is connected to the computer, the computer cannot read the radar.
Now I will explain that this is an attribute. In order to avoid file damage, we set the radar to not be read by the computer.

The computer does not read the radar, how to upgrade the Upgrade820

After the radar is connected to the computer, the radar will display dL +. At this time, open the upgrade program, and “GPS Connected” is displayed at the top of the program, indicating that the connection is successful. If “No hardware connected” is displayed at the top of the program, the connection is not successful yet, please contact customer service for help
*The program will update data from time to time, please contact customer service to get the program

After the connection is successful, the radar can be upgraded

1.X,K,Ultral-X,Ultra-K-band,Strelka and Laser detection
2. high sensitive GPS and GLONASS Receiver
3.VG-2 invisible
4.False alerts protection
5. Smooth Volume Control
6. 2.4 inch LED Display,DIM mode
8. Display brightness levels
9. Mute mode
10. Preloaded GPS data base

The G-820STR Radar/Laser Detector
12V Power Charger
Windshield Mounting set
Operation Manual
USB Cable

Frequency operation:
X-Band (10525GHz +/-50MHz)
K-Band (24.150GHz +/-100MHz)
Laser Band (800nm~1100nm)
Strelka detection (24.125GHz)

1.Power button
2.DARK button
3.UP button
4.DOWN button
5.LED display
6.Power cord input jack
7.Radar antenna/ laser lens
8.Usb Jack


Q: How long does it take to get the product after purchasing it?
A: After receiving the order, we will send out the goods within 48 hours. Depending on your area and local logistics conditions, there will be different timelines. You can wait patiently or consult customer service to check the package transportation status. If you have not received the goods after waiting 30 days, you can file a logistics dispute.

Q: Do I need to update after purchasing a new product?
A: No, our products have been updated. If necessary, please ask customer service to update the files after 2-3 months of use. This will help extend the life of the product.

Q: What should I do if there is a problem after getting the product? Should I file a dispute directly?
A: If you find that there are problems or dissatisfaction with the product after you get the product, you can contact customer service and explain the problem. Customer service will help you solve the problem. If you really need to raise a dispute, customer service will teach you how to raise a dispute correctly.

Q:Can’t get GPS signal?
A:1.For the first time, it takes 3 minutes to get the GPS signal.
2. The explosion-proof film on the car glass can be taken out of the car and tested. If your car has a membrane, please do not choose this product.
3. In the building, no signal will be received.
*If it still does not work, please contact customer service.

Q: I have used this product for a few days and I don’t want it. How to reasonably apply for convenient local return service
A: When you raise a dispute, choose the reason “no reason”, then send the goods according to the address information provided in the background, and fill in the tracking number in the background, then you can wait quietly

Q:Which Country it can work ? which coutry we can use ?
A:Our radar just have Russian . it could wor in Russia, Belarus, Ukraine, Kazakhstan, Uzbekistan.
If you use it in Spain,France,Poland,United States,Korea an so on , please do not order it.

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Item Specifics

Feature 8: 
 Anti radar
Feature 6: 
Feature 7: 
Feature 5: 
 Russia Car anti radar
Feature 4: 
 Car detector
Feature 3: 
Feature 2: 
 Radar detector
Feature 1: 
 VG-2 invisible
Bandsn Detection: 
 X K laser band Strelka
Alarm distance: 
 Within 800 meters
model number: 
Special Features: 
 Time&Date Display
Detection Mode: 
 Radar Signal And Gps Infromation Detection
OSD Language: 
OSD Language: 
Alarm Distance: 
 Fixed & Flow Velocity
Brand Name: 


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Your Blog Title (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of www.dollar-shop.net

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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