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Wireless Tower Panels

Discussion in 'GENERAL Wireless Discussion' started by JasonLAllerdings, Mar 11, 2009.

  1. JasonLAllerdings

    JasonLAllerdings Junior Member
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    How are people able to tell the difference between different antennes on a tower? Is there a post that has a picture of each of the different antennes with specs?

    Sorry to be such a newb here, but I would like to know what is on a tower and what most likely they are used for.

    Thanks in Advance
     
  2. rubenyona

    rubenyona New Member

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    they could be used for other than cellular signal frequencies, maybe like a CB signal
     
  3. Yankees368

    Yankees368 Compulsive Signal Checker
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    Gernally, there are 2 different types of panels

    Longer, skinnier panels are usually 1900 mHz panels. Mostly used exclusively by Sprint and T-Mobile, as well as in combination with 800 mHz panels for Verizon and AT&T.
    Shorter, fatter panels are usually 800 mHz panels.

    Here is a PERFECT example (just note that 99% of the time, panels will not be marked like they are in this picture):

    [​IMG]
     
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  4. larry

    larry Sprint loyalist and former mod
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    Even some of the 1900 carrier's like T-Mobile and Metro PCS are now using bulkier panels. Sprint is the only carrier that still uses the very thin and tall panels around here these days. Not sure why the other's have switched styles like that.
     
  5. RadioRaiders

    RadioRaiders RF Black-Belt
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    Good question. You can't really tell much about an antenna just by looking at it. Taller antenna pannels generally have a narrower beamwidth than shorter ones. In the US Andrew is a big antenna producer for cellular. You can browse some products and specs here:

    http://awapps.commscope.com/catalog/andrew/product.aspx?id=76&searchBSA=true

    HBW= Hozizontal Beamwidth. Notice the longer antennas (2m) have a narrower beamwidth (65°) compared to shorter antennas (1m) that have wider beamwidths (85°). A narrower beamwidth allows you to focus where the signal goes better. Think of a flashlight beam.

    ...in Europe Kathrein is the largest antenna maker:

    KATHREIN-Werke KG, Antennas for mobile communication

    Operators usually upgrade their antennas only when they are really old (ie: not cross polarized) or if they are adding new technologies (ie: dual-band). Otherwise they just leave them there until they rot, since it's an extra cost for the operator ;)
     
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