5 Replies Latest reply: Nov 15, 2011 11:47 AM by WeRtheBorg
WeRtheBorg Level 1 Level 1 (0 points)

Would like to know if it's normal.

My internet connection speed is 100mbit.

(I can check it by plugging the cable directly into my PC - and it's all there )

Via airport extreme it's 20-22mbit on my macbook air and about 30mbit on my PC. Besides these two computers I also have two iphones and an ipad.

I wonder if there is a way to distribute the bandwidth manually and switch off the computer to computer connection in order to boost up the speed?

 

 

Faithfully yours,

the Collective


airport extreme 5th generation
  • 1. Re: Airport Extreme Internet speed
    lupunus Level 3 Level 3 (995 points)

    WeRtheBorg wrote:

     

    Would like to know if it's normal.

    My internet connection speed is 100mbit.

    (I can check it by plugging the cable directly into my PC - and it's all there )

    Via airport extreme it's 20-22mbit on my macbook air and about 30mbit on my PC.

    How are the MacBook and the PC are connected to the AP-Extreme?

    On the reported speed (throughput) I guess you are using a wireless connection.

     

    If so, you should eventually change the configuration. But for that we need a bit more information.

     

     

    Lupunus

  • 2. Re: Airport Extreme Internet speed
    WeRtheBorg Level 1 Level 1 (0 points)

    Hello, Lupunus.

    Thank you for your reply.

    I am using only wireless connection.

    Yesterday in the airport utility via manual setup I switched off "file sharing" and my connection speed jumped from 22mbit to 40mbit. I wonder what else could i tweak to increase the speed of my internet connection via wireles connection of my airport extreme ?

     

     

    The Collective

  • 3. Re: Airport Extreme Internet speed
    lupunus Level 3 Level 3 (995 points)

    WeRtheBorg wrote:

     

    Hello, Lupunus.

    Thank you for your reply.

    I am using only wireless connection.

    OK, first some boring technical stuff...

     

    All participants in wireless network share the available bandwidth equally.

    The available bandwidth is NOT the displayed connection speed. Due to the way wireless works and the normal network traffic (name resolving, key-sharing, beacons and so on) the real throughput is roughly 40%-60% of the displayed connection speed, depending on configuration and disturbances (e.g. interferences, obstacles) in the network.

    For example: A 802.11n 2.4GHz wireless provide (optimal conditions) a max. connection speed of 150 MBit/s and the real throughput will be app. 70 MBit/s.

    So if your access point (wifi router) provide the Internet connection one connected computer will have a real speed of around 70 MBit/s. If you add another computer accessing the Internet both will have app. 35Mbit/s and if a third computer joins the network each will have app. 23 MBit/s and so on...

    On moving files from one computer to another computer in the wireless, the slowest one dictates the speed.

     

    The values mentioned above are only theoretically as in real world wireless networks the speed varies due to the radio conditions in the environment and other existing traffic like file sharing or media streaming.

    WeRtheBorg wrote:

    Via airport extreme it's 20-22mbit on my macbook air and about 30mbit on my PC.

    Therefore, given you use the 2.4GHz 802.11n of the AP-Extreme, the reported values are within a normal range.

     

    What can you do to improve your wireless?

     

    You may try to connect your systems (if 5GHz capable) to the 5GHz wireless of the Extreme.

    To reach that enter the manual setup of the Extreme and set a dedicated name (SSID) for the 5GHz wireless. (Airport - wireless - options)

    For the MacBook (depends on model) this could increase the connection speed up to 300-450 MBit/s due to the 5GHz MiMo technic which provides 150MBit/s for each spatial stream.

     

    To force the MacBook on the 5GHz you should switch off the wireless on the Mac, delete the 2.4GHz name (SSID) from the list of known networks in the wireless section of the Mac's system settings and reboot the Mac before joining the wireless again.

     

    What else can you do to improve the speed?

    Check the location of the AP-Extreme.

    It should NOT be placed on the floor, in a corner, flat at the wall, behind furniture, near metal objects like radiators or near magnetic fields e.g. live high voltage wires, antenna cables, speakers.

    It should be placed as high as possible (up on a shelf or ceiling mounted) and with a maximum line of sight to all stations, even thru walls. Imagine the radio field of the Extreme as flat lying Mentos with the Extreme in the center.

     

    Prevent obstacles between the Extreme and the stations, especially Humans as people contain a lot of water and water is a big bar for radio. For instance try not to sit between the Mac and the Extreme.

     

     

    Good luck - Lupunus (resistance is futile)

  • 4. Re: Airport Extreme Internet speed
    cheezmo1 Level 1 Level 1 (0 points)

    "A 802.11n 2.4GHz wireless provide (optimal conditions) a max. connection speed of 150 MBit/s"

     

    This is not true.  If your wireless access point can do 40Hz then it will connect at 300 Mb/s.  For some reason, Apple does not enable this function on the MBP.  Do an internet search and you will find many instances of people complaining about this. 

    I have a lenovo laptop that connects at 300 but my MacBook only does 130 using the 40 MHz width on 2.4 GHz. 

    Its frustrating that such a great product is limited by the software.

    Unless something has changed....

  • 5. Re: Airport Extreme Internet speed
    WeRtheBorg Level 1 Level 1 (0 points)

    I also have Lenovo laptop that gets faster connection than my mac book air, but speeds were at a 20-30% of the  connection capacity befroe I switched off file sharing in my airport utility.

    Have you tried that, cheezmo?