How tinfoil can boost your Wi-Fi

TP-LINK Archer D20 AC750 Wireless Dual Band ADSL2+ Router

Researchers at Dartmouth College have discovered that 3D-printed signal reflectors made out of foil and plastic “drastically improve the wireless signal around a home”.

According to Engadget, the reflectors are based on the idea of using an aluminium soda can behind a router to concentrate its signals in a specific direction.

The reflectors are made out of plastic and covered in aluminium foil, with a unit’s shape determined by data fed into the WiPrint system.

The custom program analyses the layout of a space and designs an optimal reflector in a 3D printer.

Excluding the price of the 3D printer, a reflector costs around $35 to make.

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How tinfoil can boost your Wi-Fi

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