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WiFi Booster Aerials: What to Check Before You Buy

An extender’s external antennas are not interchangeable with a router aerial. Check whether the antenna is fixed, adjustable or replaceable before choosing by appearance.

A WiFi booster aerial search may refer to the antennas on a range extender, or to a replacement aerial for a router. Most consumer extenders use antennas designed for that exact model; do not assume they can be unscrewed or upgraded. Compare the official specification for antenna type, placement and supported bands.

Our picks

Top picks

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Best for everyday indoor coverage

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TP-Link RE315

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Best for external antennas and dual-band AC

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NETGEAR EX6120

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Best for outdoor coverage

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TP-Link RE705X-Outdoor

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Common questions

Questions before you buy

Can I replace the aerial on a WiFi extender?

Only if the manufacturer designed the antenna to be removable and specifies compatible replacements. For a fixed antenna, changing or forcing the aerial can damage the device.

Do external aerials make a WiFi booster stronger?

Antenna design and orientation affect radio coverage, but the number of aerials alone does not predict performance. Compare the device specification and independent measurements where available.

Can I add a bigger aerial to my WiFi router?

Check whether the router has removable antennas and follow its manufacturer’s compatibility guidance. An incompatible antenna may not improve coverage and can breach local radio limits.

How should I position a WiFi extender aerial?

Follow the product manual. Where antennas are adjustable, different orientations can help serve devices on another floor or in the same plane, but test reception in the target room.