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A comment on OpenWrt in a WiFi card reader (2017). Parent comment

Re:OpenWrt in a WiFi card reader (2017) by pjc50 on Tuesday January 23, 2018 @09:47AM (#16213916)
.. which means that a quarter-wave antenna is 3cm, which looks like the metal thing just visible at top right of the PCB extending behind it.

There are loads of devices with tiny WiFi antennae that work fine.

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Re:OpenWrt in a WiFi card reader (2017) by JorgeGT on Tuesday January 23, 2018 @11:23AM (#16214743)
Correct, better photo: https://www.hackup.net/wp-content/gallery/zsun-wifi-2/zsun13...
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