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Recently I lost my phone and have had to order a replacement. It seems that there should be some sort of device I could use that would sound an alarm when I separate more than, say three meters from my phone. Does anyone know of such a device?

I tried searching for a proximity sensor but got only irrelevant stuff about the sensor that detects when the phone is being held up to the ear. It seems that "proximity sensor" is the wrong search term.

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First thing I can think off is some bluetooth device like e.g. the Ericsson LiveView (or some other BT-watch). Could be they have some alert built-in on connection loss. –  Izzy Aug 12 '12 at 1:39
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up vote 1 down vote accepted

There's no easy way to control the mentioned scenario, since you may get away from your phone, leaving behind the device used to alert you.

I've been playing around with an APP, that basically runs a task when a certain action occurs within your phone.

The test I performed, was having my phone playing a really loud sound if my phone gets disconnected from the bluetooth earpiece. It works, I go away from my phone and as soon as the bluetooth gets out of range, the phone starts to play the music. I hear the music and remind myself that my phone was left behind.

Of course that if you use Dragon V2 Bluetooth Headset, it will only get out of range after 100 meters, which is roughly 10 times more distance than a regular Bluetooth earpiece. :)


Tasker

Tasker by Crafty Apps available from Google Play Store (4,49€)

From their website you have a free 14-day trial download.

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A worthy idea. I wonder, though, if it'd be possible to use some device other than a headset, as I don't want to wear one on my ear. I'd rather keep something in my pocket. I suppose I could buy a cheap headset and hope I get one with a range of only two meters or so, rather than the full Bluetooth range, but would the headset prevent me from using my phone normally? –  Scott Severance Aug 13 '12 at 7:16
    
@ScottSeverance I believe so, it all depends on the device, its range and connection method. Can you specify which phone you have? –  Zuul Aug 13 '12 at 8:52
    
I've ordered a Galaxy Nexus, but I haven't received it yet. As of now, I'm without a phone. –  Scott Severance Aug 13 '12 at 9:35
    
After reading about Tasker, it looks like an awesome app, whether it solves this specific problem or not. Thanks for the tip! –  Scott Severance Aug 13 '12 at 10:07
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