New wireless adapter

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New wireless adapter

Post by odroid »

We've started selling a new wireless adapter WiFi Module 5B.
IEEE 802.11ac/a/b/g/n WLAN and Bluetooth combo module with on-board 2.4Ghz and 5.8Ghz Dual band antenna.
https://www.hardkernel.com/shop/wifi-module-5b/
wifimodule5b.jpg
wifimodule5b.jpg (38.67 KiB) Viewed 3777 times
wifimodule5bboard.jpg
wifimodule5bboard.jpg (65.86 KiB) Viewed 3777 times
It works with ODROID-XU4/N2/C4 series.
Please use the latest version of OS images for Android and Linux compatibility.

– Realtek RTL8821CU chipset ( USB ID = 0BDA:C820, Initial CDROM mode = 0BDA:1A2B )
– Dual-Band 11ac 1×1 with 64/128/152 bit WEP, WPA/WPA-PSK,WPA2/WPA2-PSK securities
– Frequency Range: 2.4-2.483GHz ; 5.725~5.825GHz
– Support WLAN Standards: IEEE802.11ac/a/b/g/n
– Actual WiFi 11AC transfer Speed : up to 200 Mbps
– Support Bluetooth 2.1/3.0/4.2 (No BLE)
– USB 2.0 High-Speed host interface
– Built-in antenna Gain: 2dBi
– Dimension : 36 x 19 x 9 mm
– LED for wireless Link Activity
– Frequency Range: 2.4-2.483GHz ; 5.725~5.825GHz
– Dimension : 36 x 19 x 9 mm
– Weight : 5 g

* This chipset supports Soft-AP mode too.


Note: The WiFi Module 5B price is $8.9 same as the WiFi Module 5A.
Since the old chipset RTL8811AU in the WiFi Module 5A is being obsoleted by Realtek, the 5A adapter will discontinue in several months probably.

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Re: New wireless adapter

Post by fvolk »

Is this one supported by upstream kernel(s), or does this require custom patches that are pre-applied in Hardkernel's kernel source trees?

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Re: New wireless adapter

Post by tobetter »

fvolk wrote:
Wed Apr 28, 2021 6:32 pm
Is this one supported by upstream kernel(s), or does this require custom patches that are pre-applied in Hardkernel's kernel source trees?
For 5.x kernel, the driver will be delivered as DKMS package originally based on this and it is being tested.
https://github.com/brektrou/rtl8821CU

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Re: New wireless adapter

Post by mad_ady »

It looks nice, especially since it has BT support. Shame it's not BT-LE, though...

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Re: New wireless adapter

Post by crashoverride »

mad_ady wrote:
Thu Apr 29, 2021 3:13 am
Shame it's not BT-LE, though...
I have several devices based on this chip set. They all support BLE. I am not certain if this is an error.
https://www.realtek.com/en/products/com ... /rtl8821cu
Bluetooth 4.2
https://en.wikipedia.org/wiki/Bluetooth#Bluetooth_4.0
It includes Classic Bluetooth, Bluetooth high speed and Bluetooth Low Energy (BLE) protocols.

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Re: New wireless adapter

Post by odroid »

@crashoverride,
Thank you for the information.
We need to buy some BLE devices and have to learn how to test the BLE protocol on Linux. ;)

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Re: New wireless adapter

Post by mad_ady »

Try pairing some BLE headphones. They should work under Linux.

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Re: New wireless adapter

Post by venn189 »

Does this work with the Odroid-go Super?

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Re: New wireless adapter

Post by odroid »

mad_ady wrote:
Thu Apr 29, 2021 5:11 pm
Try pairing some BLE headphones. They should work under Linux.
I couldn't find a BLE specific audio device. Do you have one?

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Re: New wireless adapter

Post by odroid »

venn189 wrote:
Fri Apr 30, 2021 10:59 am
Does this work with the Odroid-go Super?
Yes, dual band WiFi connection works fine on the reference image at least.

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Re: New wireless adapter

Post by mad_ady »

odroid wrote:
mad_ady wrote:
Thu Apr 29, 2021 5:11 pm
Try pairing some BLE headphones. They should work under Linux.
I couldn't find a BLE specific audio device. Do you have one?
Sorry, I thought all modern BT headphones were using BTLE. My mistake!

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Re: New wireless adapter

Post by meveric »

apparently the GoPro cams are using BTLE as I'm currently helping someone with a project on the C2 that uses GoPro.
Donate to support my work on the ODROID GameStation Turbo Image for U2/U3 XU3/XU4 X2 X C1 as well as many other releases.
Check out the Games and Emulators section to find some of my work or check the files in my repository to find the software i build for ODROIDs.
If you want to add my repository to your image read my HOWTO integrate my repo into your image.

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Re: New wireless adapter

Post by crashoverride »

Almost any BT mouse made in the past few years is BLE. However, there is one device I know @odroid has that is guaranteed to be BLE: The ODROID-GO with Keyboard attachment:
https://github.com/OtherCrashOverride/bt-keyboard-go
venn189 wrote:
Fri Apr 30, 2021 10:59 am
Does this work with the Odroid-go Super?
The GO-Advance/Super will fully support this adapter. This includes WiFi and Bluetooth. Initially, the BT support is focused on speakers/headphones (A2DP).
These users thanked the author crashoverride for the post (total 2):
odroid (Mon May 03, 2021 9:23 am) • venn189 (Thu May 06, 2021 8:51 pm)

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Re: New wireless adapter

Post by venn189 »

I just received this, and am looking forward to using it with my OGS. However, I plug it in, and it doesn't appear to work. I only had a few minutes this morning to play with it, and will try again this evening. Is there anything I need to do to set it up? My other wifi adapter I'm using works just by plugging it in. It is the grey one from hardkernel.

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Re: New wireless adapter

Post by crashoverride »

venn189 wrote:
Thu May 06, 2021 8:48 pm
Is there anything I need to do to set it up?
It depends on the image being used. It is tested and works out-of-the-box on the Reference Image.

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