Looking for general info about GSM Roaming Tester

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ARTMehr

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Dear mate,

Is there any documentation regarding the GSM Roaming Tester?

What is this?
How it wotking?
system?
and...

thanks in advance.
:?:
 

GSM Roaming Tester?

GSM BSC keeps track of the IMSI ( International Mobile Subscriber Identity) of SIM ( subscriber identity module) and compares it with PN( pseudo-Noise) Signal to check the roaming!

Hope it helps!
 

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