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How to ensure good products after getting ETA approval

Author: Vicky Kumar
by Vicky Kumar
Posted: Dec 05, 2020
harmful interference

When it comes to wireless devices, it’s necessary that they are working under the de-licensed bands. That’s why to enforce it, getting an ETA CertificateETA Certificate has been made essential to whosoever wants to sell or import wireless products in India. However, being legally protected doesn’t mean that you’re automatically protected from technical interference from a base station. That’s why, to all the holders of equipment type approval, it’s important to know how to deal with harmful interference on your wireless device. It’s a way to ensure that your products are good after you acquire ETA approval.

Why should you care about the interference in your wireless devices?

Wireless devices tend to work in a space where millions of frequencies walk on eggshells to prevent interfering with each other. The only reason that despite that they are able to work properly is because of their approach to de-licensed bands. It creates a streamline connection using which your devices can properly work. That being said, sometimes a base station can interfere, and disrupt the signals. It can indirectly cause:

  1. Your equipment to fail.

  2. Your equipment to malfunction.

  3. And, as a result of that above two failures, it can disrupt your business.

That’s why, when you have the WPC ETA approval, you should also know how to deal with stations that are interfering with the working of your wireless device.

Thankfully, all you need to do is to file a form and submit it to the wireless planning and commission wing.

What is report for Harmful interference?

A report of harmful interference is a form to deal with the interference with your harmful device. It’s primary application is to inform the Wireless Planning and Coordination wing that there is a waste station interfering with the de-licensed bands.

Following are the details that you need to mention in the form:

  1. How did you identify that there is an interference? In this case, you’d inform the WPC about the means of how you found out that there is harmful interference.

  2. What’s interfering frequency that you measured?

  3. What is the class of emission

  4. What’s the bandwidth of the interfering frequencies (mention if you’ve estimated or measured)

  5. Power Flux Density and measured field strength. Also mention that date and time of those measurements.

  6. Class of interfering station and the nature of services it provides.

  7. Location of the station

  8. Location of the facility used to get the above mentioned measurements.

Aftermath of reporting the interference

The application has to be submitted with the supporting documents. It’s to build your case and ensure that the interfering base station can be dealt with. After receiving your application, the WPC springs into action to look into your complaint. If they find something concrete, they act on it to deter the base station to stop producing interfering signals.


Today’s topic is something that might go over many individuals heads. But it’s an important one. When you’re selling wireless products, you’d want your users to be satisfied with it. If the interference causes issued with it, your product and your image will take a downturn. That’s why, just as you’re applying for ETA certificate in India, also take note of all the things that can go bad.

About the Author

Vicky kumar is a company analyst in IP1 License.

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Author: Vicky Kumar

Vicky Kumar

Member since: Aug 19, 2020
Published articles: 33

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