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Re: [Discuss-gnuradio] How can i determine my current phone's frequency?

From: Meny Sidar
Subject: Re: [Discuss-gnuradio] How can i determine my current phone's frequency?
Date: Thu, 17 Dec 2015 23:23:34 +0200

Thanks for your reply,
I forgot to mention-
is there a way to do so without touching the phone at all? 
the phone is hidden for all i know, my goal is to find it.

Thanks again,

2015-12-17 23:13 GMT+02:00 Karl Koscher <address@hidden>:
Probably the best way to do this is to get your phone to either tell you the ARFCN it's on (and not many do), or the cell ID. If you get a cell ID, you'd need to scan the downlink frequencies for that particular cell ID. Once you find the downlink frequency, the uplink should be a constant offset away.

On Thu, Dec 17, 2015 at 1:06 PM, Meny Sidar <address@hidden> wrote:
Hi guys,
I want to know which frequency my cellular phone is using (for uplink - UMTS).
I'm using USRP B210, i tried the spectrum analyzer tool but i don't really know what to expect- isn't the transmitting power of my cellular supposed to be higher (in a single frequency) than all other frequencies? 
my goal is to try and see if i can notice a change in dB when i get my phone closer/further to the B210.

Thanks a lot,

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