by ytpadmin
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by ytpadmin
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Wi-Fi Transmission Limits in the UK: A Guide to Ofcom Regulations
Wi-Fi is a vital part of modern life, providing connectivity for everything from homes to businesses. In the UK, Ofcom regulates the power limits for Wi-Fi equipment to minimise interference, ensure safety, and maintain fair use of the radio spectrum.
Here’s a breakdown of the Wi-Fi transmission limits in the UK, covering the main frequency bands used today.
The 2.4 GHz Band
The 2.4 GHz band is widely used for Wi-Fi due to its good range and ability to pass through walls.
- Maximum Power: 100 milliwatts (mW) or 20 decibels-milliwatts (dBm) effective isotropic radiated power (EIRP).
- Channels: Channels 1 to 13 are available for use in the UK.
This band is ideal for general-purpose connectivity, but the lower power limit helps prevent interference in crowded areas like residential neighbourhoods.
The 5 GHz Band
The 5 GHz band offers faster speeds than 2.4 GHz but has a shorter range. It is divided into several sub-bands, each with its own power limits:
- 5150–5350 MHz (Indoor Use Only): Up to 200 mW (23 dBm) EIRP.
- 5470–5725 MHz: Up to 1 watt (1,000 mW) or 30 dBm EIRP. Devices using this range must support Dynamic Frequency Selection (DFS) to avoid interference with radar.
This band is commonly used for bandwidth-heavy activities like streaming and gaming.
The 6 GHz Band (Wi-Fi 6E)
The 6 GHz band is the latest addition to Wi-Fi technology, offering more channels to reduce congestion and improve speeds.
- Indoor Low Power (LPI): Up to 200 mW (23 dBm) EIRP.
- Very Low Power (VLP): Limited to 25 mW (14 dBm) EIRP for portable devices.
This band covers 5925–6425 MHz and is restricted to indoor, low-power applications to avoid interference with other services.
Why Are Power Limits Important?
Wi-Fi power limits are essential for avoiding interference between devices and protecting critical services like weather radars and satellite communications. They also ensure that everyone gets fair access to the wireless spectrum.
Staying Compliant
Most Wi-Fi routers and devices sold in the UK are already compliant with Ofcom’s rules. However, modifying equipment to exceed these limits can disrupt networks and lead to fines or other penalties.
Conclusion
Understanding Wi-Fi transmission limits is key to setting up efficient and reliable networks. Whether you’re managing a home system or a business network, staying within these limits ensures your Wi-Fi operates smoothly and legally.
Let Your Tech People Help
Getting your Wi-Fi network right can be tricky, especially when compliance and performance are at stake. Your Tech People specialises in IT consultancy and support for small businesses, offering tailored solutions to optimise your connectivity. From network setup to troubleshooting, we’ll handle the tech so you can focus on what matters most—running your business. Contact us today and let’s make your IT work for you.
At Your Tech People, our expert IT support ensures your business operates smoothly, leaving technology headaches behind.
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