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Thread: frequences/jam->Bluetooth&Wireless Network card

  1. #1
    Constant Bitrate Power_nisse's Avatar
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    frequences/jam->Bluetooth&Wireless Network card

    Im planning to buy a usb GPS --> "BU-353 GPS"

    Had some thoughs of a gps via bluetooth but im gonna use phonecontrol and voice gate so it might be too much for the bluetooth device.

    usb GPS im gonna place at the rear window behind the driver (me)
    the question is will i have i good receotion there?!?
    Have been reading very positive posts about this unit.
    i live in sweden.

    And im planning to install a Wireless usb network adapter.
    But its on the same frequency, "would they jam each other"

  2. #2
    Constant Bitrate
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    wireless lan have a different frequencey... going my memory wireless lan operates in ghz and bluetooth is low frequencey in mhz.

    but i do know they do not interfer!

  3. #3
    FLAC aoLhaTer's Avatar
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    Bluetooth operates at 2.45Ghz
    Wifi operates at 2.412Ghz through 2.484Ghz depending on channel
    GPS I believe operates at 2 frequencies, 1.5Ghz and 1.2Ghz

    So BT and wifi will likely interfere but GPS should be fine
    However, any strong radiant RF near another RF device is not good no matter the frequency so try to spread devices apart when possible

  4. #4
    cheap custom title JC-S60's Avatar
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    All RF-devices have harmonics sent out. A magnitude weaker than the main frequency (depends on the quality of the product also!), but they're still there.

    Keep everything as much apart as possible to avoid interference.

  5. #5
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    Only problem you may find with putting the GPS in the rear of the car is that if your rear window is heated then the GPS signal won't be able to penetrate the window. Its the same if your front windscreen is heated too, most French car makes are.

  6. #6
    FLAC aoLhaTer's Avatar
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    Quote Originally Posted by Ne-o
    Only problem you may find with putting the GPS in the rear of the car is that if your rear window is heated then the GPS signal won't be able to penetrate the window. Its the same if your front windscreen is heated too, most French car makes are.
    The important fact is not that its heated its that its heated via embedded metal wires (they're visible so you'll know they're there)
    The metal wires are what prevent some signal from coming through

    I get around this by just placing my GPS reciever at the ver bottom of the glass where theres no heating elements. I consistently get 8 satellites

  7. #7
    Constant Bitrate Power_nisse's Avatar
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    Thanks for your answears =) i did have a little problem placing the BU-353 Gps in the rear window. i got about 3-5 satelites :/ but i was forseeing so i bought a extension cable for usb and gonna place it beneath the whindsheeld. i got 8-10 satelites there :P
    Tried Mapmonkey every one talked about.. works ok. but its a slow update and voice only comes once in a while. hmm checked settings 4 times, gonna chech it today.
    Gonna try Tom tom a friend have it looks very good =)


    Haven`t installed my wify card yet. need some more USB contacts.
    And the bluetooth is a 100M range well gonna be real funny to try it out hehe

    Thanks =)
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