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Wi-Fi Antennas and Wireless Bridges

Replacement and high-gain Wi-Fi antennas, plus outdoor wireless bridge units for linking buildings or reaching distant devices. 391 products from $2.99 to $726.99. Panorama Antennas, Vszerda, Ubiquiti Networks and more.

391 products from $2.99

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Swap-in antenna or point-to-point bridge?

Two different products share this category. Swap-in antennas screw onto a router, access point or wireless card in place of the stock ones, and they are rated by gain, such as 5, 8 or 12 dBi. Bridge units combine an antenna and a radio in one weatherproof housing, with an Ethernet port, power over Ethernet and signal-strength lights, and they link two sites or serve a distant device. If you only want a stronger signal indoors, you want the first kind.

Gain, beam width and frequency band

Higher gain does not mean more signal everywhere. It focuses the same energy into a narrower beam, so a 10 dBi omnidirectional antenna stretches coverage sideways and flattens it vertically, while dish and panel types aim at a single target. Match the frequency band to your radio, 2.4 GHz, 5 GHz or the 900 MHz band some long-range units use, and keep a clear line of sight for outdoor links. Connectors must match too, including the thread type and the pin or socket gender.

Questions about Wi-Fi Antennas and Wireless Bridges

Will a higher-gain antenna always improve my Wi-Fi?
No. Extra gain narrows the vertical coverage, so a very high-gain antenna can leave rooms above or below the router with a weaker signal. For a multi-floor home, a moderate-gain antenna or a second access point usually helps more than the biggest dBi number.
How do I know which connector my antenna needs?
Look at the socket on your router or card, not at the antenna alone. SMA and RP-SMA connectors look nearly identical and share the same thread, but the center pin and socket are swapped, so a mismatched pair screws together but makes no proper connection. Note the threaded barrel and the center contact before choosing.
Do I need two bridge units for a wireless link?
Usually yes. A point-to-point link needs a radio at each end, set up as an access point on one side and a station on the other. Some units can instead join an existing compatible access point, so read the listing for the supported modes.