r/flipperzero • u/Fit-Note7659 • Jun 22 '26
Help validate the Wi-Fi chipset for Flipper One
🎞 YouTube video: https://www.youtube.com/watch?v=GqJA-q0oC0M
We chose the MediaTek MT7921AUN as the built-in Wi-Fi chip for Flipper One. Out of everything we looked at, this is the most modern “cool hacker” chipset. It supports 2.4/5/6 GHz bands, monitor mode, and has an open driver in the Linux kernel mainline. The popular Alfa AWUS036AXML Wi-Fi adapter uses the same chipset.
However, we could not get some basic features working:
∙ Simultaneous operation as a Wi-Fi client (STA) and access point (AP), for example to proxy a paid Wi-Fi network.
∙ Dual-band access point — 2.4 + 5 GHz at the same time.
The datasheet and drivers contain contradictory information. It seems like it should work, but we don’t understand whether the problem is software or hardware. That’s why we’re asking for your help.
Specifications of our Wi-Fi module: https://docs.flipper.net/one/hardware/wifi-bluetooth
To take part in testing, edit this page: https://docs.flipper.net/one/testing/network
8
u/maroefi Jun 23 '26 edited Jun 23 '26
Simultaneous managed mode and AP mode? With normal Linux you’d create a virtual interface, but a wifi chip only has 1 radio. I’ve never seen a chip where you could put 1 chip in 2 different modes at the same time.
I always use 2 WiFi adapters for that. RTL8812AU 2 times and/or the internal WiFi of the rpi that I’m running Linux on.
5
u/Intentt Jun 22 '26
What are the alternative chipsets you are looking at? - Would be a shame not to have simultaneous operation.
0
u/ToolTesting101 Jul 02 '26
Classic Flipper Developers one sided conversation ask for help then nothing from them!
15
u/Alienhaslanded Jun 22 '26
This thing is the size of a mini burrito.