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Wi-Fi Direct

ng4ever

Regular Contributor
https://mypublicwifi.com/publicwifi/en/index.html

I am using this program for it with just sharing (no internet) but what I can't figure out is why it is speed limited it seems. No I do not have any speed limits on. It barely goes over 30 to 50 Mbps if I am lucky. Ever now and then a little higher. I thought it supported up to 250 Mbps ? I don't need that max. Just minimum 150 or I will even take 110 Mbps. If possible. It is with a old laptop but even though that could be the problem I tried a new usb 3.0 wireless adaptor that is wifi 6 same problem. With normal internet wifi and local network wifi with my router in house it is much faster. Instead of 15 to 19 MB/sec I get 25 to 30 MB/sec with local network file transfer over wifi. So it does not make sense. Unless that just the way Wi-Fi Direct works ? The devices I am using it on is a newest iPhone 14 Pro Max and a older iPad. Thought maybe that was the problem but even on the newer iPhone it has the same problem.

Like this:

91.jpg
 
You are comparing a custom designed and optimized chipset and programming in your router with multiple radios to a generic PC laptop with a single 2x2 radio likely running an OS optimized for general purpose use. Not surprising at all to me.
 
It barely goes over 30 to 50 Mbps

Is this program creating 2.4GHz hotspot only? I don't see any options for band on their UI pictures...
 
If this is the case what you get is about right for 2.4GHz 802.11n connection with 20MHz wide channel.
 
If this is the case what you get is about right for 2.4GHz 802.11n connection with 20MHz wide channel.

Yeah but what does not make sense when I had both mobile devices, iPad and iPhone, connected to it it went up to 100 Mbps to 120 Mbps. or very close. I know that is because both devices were using it but still.

Would it help any replacing the actual wifi card in the laptop instead ? Doubtful but wanted to ask. Edit: looks like even that would not work.
 
Last edited:
Found this.

Microsoft Wi-Fi Direct Virtual Adapter


Seems like a limitation with Microsoft Wi-Fi Direct Virtual Adapter :( That is stupid. Still I am not getting anywhere near 144 Mbps and I am right next to even basically 1 inch from the laptop. Guess that is not realistic to get.

It should support 5Ghz too not sure why it does not?
 
The 2.4GHz band is usually busy and your throughput depends on available channel bandwidth. In best case scenario you can get about 100Mbps to 2-stream client with 144Mbps link speed. Changing the Wi-Fi adapter won’t help if the program itself is limited to 2.4GHz only hotspot and 802.11n.
 
The 2.4GHz band is usually busy and your throughput depends on available channel bandwidth. In best case scenario you can get about 100Mbps to 2-stream client with 144Mbps link speed. Changing the Wi-Fi adapter won’t help if the program itself is limited to 2.4GHz only hotspot and 802.11n.

See previous post just now it is not really the program more so Microsoft Wi-Fi Direct Virtual Adapter limitation :(

Does not make sense why it is limited like that?

Any other way to get 5 Ghz with wlan hotspot or something like it ?
 
Again, possible with clear Wi-Fi environment and to 2-stream close positioned client with the maximum link speed of 144Mbps. Don’t confuse throughput with link speed. Throughput is lower, around 60% of the link speed.
 
Any other way to get 5 Ghz with wlan hotspot or something like it ?

Sorry, I personally never had the need to setup wireless link between two devices with your use case and requirements.
 

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