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5GHz USB Wifi for older Raspberry Pi's

Blog 2019/9/25

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5GHz USB Wifi for older Raspberry Pi's

I recently made a k3s cluster of Raspberry Pi 3's, which only have 2.4GHz wifi. Unfortunately, the network where I work is 5GHz only.

Jump on amazon.com and search for "Edimax AC600". This appears to be the smallest wifi dongle which supports raspi's.

Screen Shot 2019-09-25 at 10 13 26 AM

Follow the instructions at this stackoverflow answer: https://raspberrypi.stackexchange.com/a/64504

(here's the gist:)

sudo apt-get install raspberrypi-kernel-headers build-essential
git clone https://github.com/gnab/rtl8812au.git
cd rtl8812au
# edit the Makefile:
# CONFIG_PLATFORM_I386_PC = n
# CONFIG_PLATFORM_ARM_RPI = y
sudo bash install.sh
reboot
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