2.4 GHz vs 5 GHz Wi-Fi: Which Is Better?

2.4 GHz travels farther but is slower. 5 GHz is faster but has shorter range. The best choice depends on distance and interference.

2.4 GHz

  • Better range and wall penetration.
  • More interference from other devices.

5 GHz

  • Higher speeds and less interference.
  • Shorter range and weaker through walls.

When to use each

  • Use 5 GHz near the router for speed.
  • Use 2.4 GHz for distant rooms.

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Quick Answers

What is the most common mistake?

Relying on a single test result or ignoring Wi‑Fi conditions is the most common mistake.