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Really good cell phone tips
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<blockquote data-quote="Marguerite" data-source="post: 157014" data-attributes="member: 1991"><p>If you check the Snopes website, you will find where that one came from. One kind of phone, this DID work (although with a different code). What happened was you had the option of trading off poorer call quality with longer battery time, so it wasn't really a hidden extra bit of power, it just seemed like it.</p><p></p><p>As far as we've been able to determine, cars we've had access to which had remote key locking didn't work on sound, they worked on some other form of radio/infra-red type of signal, which wouldn't work over the phone. Maybe there are some out there which do work on sound, but memories of the days when hackers would crack payphones for free calls using a whistle from a Captain Crunch cereal box led to concerns that sound-activated locks were maybe not as secure as the inventors originally thought. </p><p></p><p>It's rather fun with the cars - we have kids who like to experiment, and we've been on holidays and had to hire cars from time to time, often getting cars much more upmarket than what we can afford to drive at home. The kids immediately try to work out things like range; whether it can work around a visual barrier; what increases/decreases the range; and of course exactly how it works. I think difficult child 1's new car has remote locking, I'm going to suggest he tries this out on his car sometime. Or, since husband & I can ring each other's mobile phones for free, maybe we can try it out ourselves and turn the tables on the kids (for once, parents getting the fun of experimenting!).</p><p></p><p>I'll let you know if it works.</p><p></p><p>Marg</p></blockquote><p></p>
[QUOTE="Marguerite, post: 157014, member: 1991"] If you check the Snopes website, you will find where that one came from. One kind of phone, this DID work (although with a different code). What happened was you had the option of trading off poorer call quality with longer battery time, so it wasn't really a hidden extra bit of power, it just seemed like it. As far as we've been able to determine, cars we've had access to which had remote key locking didn't work on sound, they worked on some other form of radio/infra-red type of signal, which wouldn't work over the phone. Maybe there are some out there which do work on sound, but memories of the days when hackers would crack payphones for free calls using a whistle from a Captain Crunch cereal box led to concerns that sound-activated locks were maybe not as secure as the inventors originally thought. It's rather fun with the cars - we have kids who like to experiment, and we've been on holidays and had to hire cars from time to time, often getting cars much more upmarket than what we can afford to drive at home. The kids immediately try to work out things like range; whether it can work around a visual barrier; what increases/decreases the range; and of course exactly how it works. I think difficult child 1's new car has remote locking, I'm going to suggest he tries this out on his car sometime. Or, since husband & I can ring each other's mobile phones for free, maybe we can try it out ourselves and turn the tables on the kids (for once, parents getting the fun of experimenting!). I'll let you know if it works. Marg [/QUOTE]
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