Bandwith meter and wireless transmission power

Discussion in 'Tomato Firmware' started by Laurentwb, Dec 9, 2006.

  1. Laurentwb

    Laurentwb Network Guru Member

    Hi everybody,

    I just upgraded my WRT54GS from Thybor 15c to Tomato v1.00.0905.
    It is really looking great. Congatulations for writing such a nice firmware !

    I have 2 questions. I already apology in case these has already been addressed but I coiuld not find the answers in the forum.

    1) Bandwithmeter : I can read numbers but it does not show any graph. Could someone help to solve ? Is it related to router config or IE7 ? ...

    2) Is there a way to increase the transmission power higher than 84 mw as it is in Thibor's firmwares ?

    Thanks for your help.
  2. JensG

    JensG Network Guru Member

  3. Laurentwb

    Laurentwb Network Guru Member

    Thanks a lot, JensG. It works !
    These graphs really look great.

    Let's wait now to see someone knows the answer to question 2.
  4. RTSAnime

    RTSAnime Network Guru Member

    Let x be the power you want:

    nvram set wl_txpwr=x
    nvram set wl0_txpwr=x
    nvram commit

    That should work.
  5. maxzerker

    maxzerker LI Guru Member

    In gui's dropdown menu is just a "safe ranges"
    you can enter it manually by selecting "custom" and specify your own needs
  6. digitalgeek

    digitalgeek Network Guru Member

    In the Advanced, Wireless... fourth item from the bottom is "Wireless Power" will achieve a better(strong) wireless signal by adding the 7dbi antennas. Increase the power will only marginally increase your signal. another trick to increase you signal is to use WDS... (both my routers use the 7dbi antenna kit)
  7. bokh

    bokh Network Guru Member

    How much of an increase does this give you (in dBm and/or rate)?
    But then, using WDS WPA2 won't be available anymore...
  8. YeOldeStonecat

    YeOldeStonecat Network Guru Member

    You don't want to go much above 80 anyways for gets too "noisy" and performance actually diminishes.
  9. GeeTek

    GeeTek Guest

    On the Buffalo WHR G54S, that is about 125 Mw.
  10. rcordorica

    rcordorica Network Guru Member

    my WRT54GL 1.1 does 70mW stable. When I used anything higher than that, the wireless radio would often drop for no reason. I believe in my case it may be because after 70mW the radio cannot dissipate the heat fast enough.

    The higher you set the mW the faster your apparent signal will be according to the signal meter (ie 54Mbs), but in reality the clients cannot send back a signal at the same power, so there isn't much point increasing the mW unless you are really trying to stretch the boundaries of your wireless coverage.

    Also, if you set it too high, i've seen problems where clients cannot connect when they are too close to the AP. Probably because of the increased noise from the blasting radio's.
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