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by gkiss1988
Thu Jan 10, 2019 9:58 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many users?

My company needs an access point with the captive portal for wifi marketing purposes(An open wifi + captive portal containing ads about the my company + then redirect customers to our website). My company has many Pi3, and I want to implement the project with it. So in order to provide high-speed i...
by gkiss1988
Wed Jan 09, 2019 7:33 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many users?

Hello. I using bcm43143 - wifi adapter in build of Pi3. Can my Aaccess Point allow 20 clients to connect at the same time? Hi, I'm not sure about the hardware/driver limits but it should work with 20 concurrent clients according to this comment. I can't make any test as I don't own a Pi3 but I woul...
by gkiss1988
Tue Sep 13, 2016 1:08 am
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

Hi everyone! I'm trying to build a sensor net and I'll start with a few nodes but I'd like to be able to connect 100 (maximum). Is there any news in this field? Which one is better Ralink RT5370 or Realtek RTL8188CUS? Any other option to consider? PS: is really hard to get the 8188 CUS in Argentina...
by gkiss1988
Wed Mar 25, 2015 9:15 am
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

Did you manage to achieve what you wanted? Do you have anything production ready? Hi, the devices built performed very well. The project is over so the devices are not being used anymore but they had been in production use for almost a year. With some modifications (wifi part replaced with an enter...
by gkiss1988
Sun Jan 18, 2015 7:02 am
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

However - as soon as I reach 8 simultaneous connections (needs to be an active TCP connection, so 8 users downloading a file through HTTP for example), the adapter "freezes". Ping from a client to the host or from the host to the client returns "host unreacheable" ifconfig on the host shows dropped...
by gkiss1988
Fri Nov 14, 2014 10:44 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

hi all .. i want to ask about the TP-LINK WN722N driver. I tried to create a wireless hotspot with this but the drivers are not legible in hostapd.conf with a message like this: sudo /usr/sbin/hostapd /etc/hostapd/hostapd.conf Configuration file: /etc/hostapd/hostapd.conf Line 2: invalid/unknown dr...
by gkiss1988
Sat Jun 14, 2014 11:00 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

UPDATE: I decided to build new devices with RTL8188CUS based adapters because: they can provide much higher throughput with no additional CPU usage - the peak is near 50-51 Mbps which is very nice for a 1T1R device (tested with iperf in TCP mode) the driver provided by Realtek seems to be more stabl...
by gkiss1988
Fri Jun 06, 2014 3:33 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

I am amazed! I've just replaced the wifi adapter with the Realtek 8188CUS and I could measure 40 Mbps throughput which is exactly the double of what I could achieve with the Ralink dongle. CPU load was still a bit high though, went up to 1.90 after a while. I made the test using the lastest drivers ...
by gkiss1988
Fri Jun 06, 2014 3:13 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

I can buy fully working wireless routers for $20. I can't see how you could come close to that price building it yourself with a Pi. Please enlighten me. You are right with that but the devices I build are not simply wireless routers. Should I need that, I'd look for some commercial hardware that r...
by gkiss1988
Fri Jun 06, 2014 1:37 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

What is your performance/throughput? Any guess of what is my problem? My iperf output is: 0.0-10.4 sec 1.12 MBytes 911 Kbits/sec It looks like the RPI's processing power puts a limit on the available throughput, I couldn't reach transfer speeds higher than 20 Mbps using the Ralink RT5370 adapter, t...
by gkiss1988
Tue May 13, 2014 3:44 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

Just a short update: the new adapter (Ralink RT5370) was installed in a hotspot unit yesterday and it has been providing stable operation so far. It seems the only drawback is that the coverage became about 20% worse than with the TL-WN722N adapter using the exact same settings (channel, mode, tx po...
by gkiss1988
Fri May 09, 2014 8:14 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

Re: RPI as a hotspot - which WiFi adapter to use for many us

Here are the limits and test results gathered in one post: TP-LINK TL-WN722N: works fine and can handle 7 clients in total. The limit cannot be changed due to a firmware limitation. Test results: 7 clients can connect and use the AP without any issues. TP-LINK TL-WN8200ND: not usable as an access po...
by gkiss1988
Wed May 07, 2014 12:47 pm
Forum: Networking and servers
Topic: RPI as a hotspot - which WiFi adapter to use for many users?
Replies: 42
Views: 43929

RPI as a hotspot - which WiFi adapter to use for many users?

Dear Community, I have a project about building public hotspots using Raspberry Pi and wanted to share my experience with you. The problem I am facing now is the low number of stations that can connect to the wireless network. Unfortunately, this limitation is not documented anywhere and as I wasn't...

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