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  1. #1
    Registered User
    Join Date
    Aug 2008
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    14

    How to find Bluetooth Signal Strength

    Hi all,
    I want to find the strength of the bluetooth signal, so that I can find out what is the distance between two bluetooth devices(PC connected with bluetooth and a mobile with bluetooth on)..
    Is there any API to achieve this task.
    Any help is appreciated.
    Thanks all.

  2. #2
    Super Contributor
    Join Date
    Mar 2008
    Posts
    1,481

    Re: How to find Bluetooth Signal Strength

    Hi,
    I think there is no API to receive RSSI.

  3. #3
    Registered User
    Join Date
    Dec 2008
    Posts
    11

    Re: How to find Bluetooth Signal Strength

    Hi,

    I've found lots of posts saying the same thing: There is not any Symbian API to retrieve bluetooth RSSI.
    However, this article makes an interesting statement in section 3.1:

    if a Bluetooth link is established, the remote device’s perceived RSSI can also be
    obtained via the "AT+CSQ" command through the Serial Port Profile.
    So, I've started looking for this solution.
    In this link I've found AT+CSQ command's description, which really means Signal Quality. Has anyone ever used this solution? Because I'm afraid this command do not refer to bluetooth signal quality, but GSM network signal.

    Thanks in advance.
    Fernando

  4. #4
    Nokia Developer Champion
    Join Date
    Mar 2003
    Posts
    4,105
    Quote Originally Posted by nandokakimoto View Post
    I'm afraid this command do not refer to bluetooth signal quality, but GSM network signal.
    Exactly.
    Do not forget to send a comment to the authors of that paper.

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