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Thread: GSM Gate Opener

  1. #1
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    GSM Gate Opener

    Here is an unusual question for you. A friend of mine wants to know which cell plan would be recommended for operating a GSM gate opener. It has to be GSM because I don't think it has an IMEI.

    This device waits for a call from a cell or landline, quickly assesses the caller id, ends the call without answering, and will open the gate if the caller id is a match.

    There are no minutes consumed because the device just ends the call.

    It obviously needs to be a reliable carrier.

    Thanks.
    Last edited by Lisme; 11-02-2017 at 11:43 AM. Reason: "a match" not "match"

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    Quote Originally Posted by Lisme View Post
    Here is an unusual question for you. A friend of mine wants to know which cell plan would be recommended for operating a GSM gate opener. It has to be GSM because I don't think it has an IMEI.

    This device waits for a call from a cell or landline, quickly assesses the caller id, ends the call without answering, and will open the gate if the caller id is match.

    There are no minutes consumed because the device just ends the call.

    It obviously needs to be a reliable carrier.

    Thanks.
    It depends on what frequencies the gate opener uses. AT&T would not work if it only has 2G capabilities. T-Mobile would be safe, if there is a reliable T-Mobile signal in the area. Let us know, and I'm sure you'll get some good MVNO recommendations.

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    Tmobile offers a call and txt only plan as wel. 25.00 a month.


    Sent from my iPhone using Tapatalk

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    Quote Originally Posted by Brad2388 View Post
    Tmobile offers a call and txt only plan as wel. 25.00 a month.


    Sent from my iPhone using Tapatalk
    Well, that's true, but you can get UT&T+100MB for less than $10/mo from TPO. I'm also pretty sure there are some T-Mo MVNOs that offer T-Mo service for as little as $5/mo, such as alarmsim.com .
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    AT&T is not a GSM provider. Not since January this year.

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    T Mobile offers a 30 minutes/texts plan for $3 which will work since the calls are never answered. Calling Mart charges $10.20 for a refill card.

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    Quote Originally Posted by CallmeJake View Post
    T Mobile offers a 30 minutes/texts plan for $3 which will work since the calls are never answered. Calling Mart charges $10.20 for a refill card.
    There we go! Even cheaper than $5/mo at alarmsim.com !

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    If you can get a T-Mobile grandfathered gold rewards SIM, it would be only $10 per year.

    Do you have a link to this device?

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    Los Angeles

    Quote Originally Posted by Lisme View Post
    A friend of mine wants to know which cell plan would be recommended for operating a GSM gate opener. It has to be GSM because I don't think it has an IMEI.
    Is it ONLY "GSM" ? That is 2G only. Where will the device be located?
    Does the device have NO ability to answer a call or make a call?

    If it can do 3G then AT&T options can also come into play.
    Truphone SIMs have never expired as far as I know [can I have a witness?].
    {They allegedly require usage occasionally (every 180 days), but in my experience of over
    5 years this has not happened to me.}
    Can be bought for $30 but never expire.

    If it never answers then a 3UK SIM which does not expire might be a bizarre solution.
    As long as the sending phone does not have to pay charges to call it and CAN call it.
    It uses both AT&T and T-Mobile.

    The need to keep alive the SIM which never answers calls it a pretty unique requirement.
    How many times a day would it be used? If well more than one the T-Mobile $3 plan might not be wise.

    This question of yours will perhaps bring up even more recondite solutions.

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    I have never actually seen one of these things. I put "GSM gate opener" into a search engine and not only is that what they are actually called but there seem to be a fair number of models. I didn't go into the specs.

    So this is apparently one of those common gadgets that the average person has no idea about. I had never heard of it.

    Maybe they use them in gated communities?

    It just activates whatever mechanism you attach it to. Basically a remote control for a lot of applications.

    But it needs someone in charge of keeping up the cellular service.

    Thanks for the good ideas.

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    Quote Originally Posted by rfranzq View Post
    Is it ONLY "GSM" ? That is 2G only. Where will the device be located?
    Does the device have NO ability to answer a call or make a call? If it can do 3G then AT&T options can also come into play.
    I concur. If it can't handle 3G it would be better to find a different device. 2G is going to be going away over the next few years. ATT ended it already, and T-Mo will do so soon.

    Quote Originally Posted by rfranzq View Post
    Truphone SIMs have never expired as far as I know [can I have a witness?].
    Yes! My Tru SIM's have been working after years of no usage. It's a good option for this use.

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