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Thread: Anyone familiar with RadioLabs?

  1. #1
    Constant Bitrate randomjohn's Avatar
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    Linksys WMP54G Antenna?

    I'm looking at this antenna

    http://www.radiolabs.com/products/an....4-mobile7.php

    for my Linksys WMP54G. Any thoughts on the quality/value of this product? I need to be able to access my home wireless network from the parking lot. I'm also curious about what APs there are on my commute so I'll probably do some wardriving, so the ability to stay connected to the roof while I'm driving on the highway is fairly important as well.

    (and yes, I know I'd need the RP-SMA connector)
    GA-K8VM800M, Sempron 64 2800+, 512mb DDR400, D-Link USB BT, Linksys .11g NIC, 250gb IDE, BU-353, SIR-ALP1 w/ MJS, DSATX 220w, DWW-700H

    Worklog: http://www.mp3car.com/vbulletin/worklogs/65059-03-jetta-if-i-can-any-idiot-can.html
    Now with pictures!

  2. #2
    Constant Bitrate randomjohn's Avatar
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    At this point, I'd be happy to hear any recommendations for a good, external antenna with serious gain, weather resistant, magnetic base, and, most importantly, an RP-SMA connector
    GA-K8VM800M, Sempron 64 2800+, 512mb DDR400, D-Link USB BT, Linksys .11g NIC, 250gb IDE, BU-353, SIR-ALP1 w/ MJS, DSATX 220w, DWW-700H

    Worklog: http://www.mp3car.com/vbulletin/showthread.php?t=65059
    Now with pictures!

  3. #3
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    "wireless network from the parking lot".

    How far are you trying to connect to?

    I look at your link 7.8dbi is pretty good. As far as staying on your vechile. It depends the antenna is short which is good. But the magnet looks small which means its not going to hold much speed.

    That antenna with that magnet 50mph? Higher speeds you might want togo with a bigger magnet.

  4. #4
    Constant Bitrate randomjohn's Avatar
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    Quote Originally Posted by Jammer
    "wireless network from the parking lot".

    How far are you trying to connect to?
    It's probably less than 100' but it's not good line of sight. It's mostly outside, but it's along the side of a building.

    I look at your link 7.8dbi is pretty good. As far as staying on your vechile. It depends the antenna is short which is good. But the magnet looks small which means its not going to hold much speed.

    That antenna with that magnet 50mph? Higher speeds you might want togo with a bigger magnet.
    Considering the astonishing number of tickets and pullovers I've accumulated in the past 9 months, let's say 50mph is the low end...

    Any idea what unit the power of a magnet is measured in and if it's something that's published as a spec? (For example, I know a 7.8dbi gain is better than 0dbi, how do I know if a magnet is stronger?) Although the spec does say:

    "Maximum wind velocity
    Will stay on metal roofed vehicle at any speed!"

    Would mounting it on the trunk cut down on any of the wind without sacrificing too much range?
    GA-K8VM800M, Sempron 64 2800+, 512mb DDR400, D-Link USB BT, Linksys .11g NIC, 250gb IDE, BU-353, SIR-ALP1 w/ MJS, DSATX 220w, DWW-700H

    Worklog: http://www.mp3car.com/vbulletin/showthread.php?t=65059
    Now with pictures!

  5. #5
    Constant Bitrate randomjohn's Avatar
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    Or maybe I should go with this

    http://www.radiolabs.com/products/an....4-mobile5.php

    Only 5.5dB gain, but the antenna is only 6"...

    What's the practical difference between 5.5 and 7.8dB gain? Comparable data speeds at 10, 50, 100 feet?
    GA-K8VM800M, Sempron 64 2800+, 512mb DDR400, D-Link USB BT, Linksys .11g NIC, 250gb IDE, BU-353, SIR-ALP1 w/ MJS, DSATX 220w, DWW-700H

    Worklog: http://www.mp3car.com/vbulletin/showthread.php?t=65059
    Now with pictures!

  6. #6
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    Quote Originally Posted by randomjohn
    It's probably less than 100' but it's not good line of sight. It's mostly outside, but it's along the side of a building.
    That antenna should easy pick it up.

    Quote Originally Posted by randomjohn
    Considering the astonishing number of tickets and pullovers I've accumulated in the past 9 months, let's say 50mph is the low end...

    Any idea what unit the power of a magnet is measured in and if it's something that's published as a spec? (For example, I know a 7.8dbi gain is better than 0dbi, how do I know if a magnet is stronger?)
    The bigger the magnet the stronger it will be. For exsample I have a hf/uhf/vhf antenna which is 4.5 feet. I had it on a 5" magnet on my roof. Which was good for 70mph. I remembered it fell down going 75-80mph.

    That antenna your looking at has a magnet that looks like a inch wide. The antenna base is almost bigger then the magnet. To me it doesnt look that strong.


    Quote Originally Posted by randomjohn
    Although the spec does say:

    "Maximum wind velocity
    Will stay on metal roofed vehicle at any speed!"
    Thats wishfull thinking on their part. You can try that theory out. But I dont recommend it.

    Quote Originally Posted by randomjohn
    Would mounting it on the trunk cut down on any of the wind
    Yes

    Quote Originally Posted by randomjohn
    without sacrificing too much range?
    You wont notice a difference. Range will be probably the same.

  7. #7
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    Quote Originally Posted by randomjohn
    Or maybe I should go with this

    http://www.radiolabs.com/products/an....4-mobile5.php

    Only 5.5dB gain, but the antenna is only 6"...

    What's the practical difference between 5.5 and 7.8dB gain? Comparable data speeds at 10, 50, 100 feet?
    Stick with the 7.8db. Speed wise its the same.

    This guy sells bigger magnets and lip mounts.
    http://cgi.ebay.com/TRUNK-LIP-TRUNK-...QQcmdZViewItem

    I think a lip mount would be the way togo. You can get some big antenna's on them and they dont get knock over.

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