Homes near high-voltage transmission lines may experience some degree of wireless signal interference, but the specific impact depends on a number of factors, including the electromagnetic field strength of the transmission line, distance, line type, equipment quality, etc. Here are some possible scenarios:


Electromagnetic field interference: High-voltage power transmission lines produce electromagnetic fields, which may cause some interference to radios, cell phones, Wi-Fi and other wireless signals. This interference is typically more pronounced closer to transmission lines.
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Reduced signal quality: In areas subject to electromagnetic interference, your cell phone signal may experience reduced signal quality, resulting in poor call quality or slower data transfer speeds. Wi-Fi signals may also be affected to some extent.

Electromagnetic shielding devices: Some homes may take steps to mitigate electromagnetic interference, such as installing shielding devices or using special building materials to reduce the impact of wireless signal interference.

Device quality: Poorer quality wireless devices may be more susceptible to electromagnetic interference. Interference problems can often be mitigated by using high-quality wireless equipment.

Frequency Selection: In areas subject to electromagnetic interference, you can try changing the channel of your Wi-Fi router to find a frequency band with less interference.

Satellite TV: For satellite TV receivers, the antenna may need to be better positioned and adjusted to avoid electromagnetic interference to ensure signal quality.

In summary, homes near high-voltage power lines may experience wireless signal interference, but the effects vary by location and environment. When faced with interference issues, there are steps you can take to mitigate interference, or contact the relevant service provider for further advice and support.