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Actualy, via STM.
Wired.

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Posted by crouse

Basically wired interface.

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Posted by crouse

both can be.

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Posted by waqqas1

wired

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Posted by Hash007

Only the mobile to BTS is wireless and everything else is T1 or E1 and electronically connected.

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Posted by adalson007

Its basically wired interface.

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Posted by sagitraz

Actualy, via STM.
Wired.

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Posted by chaos