Nokia LPS-4 Mobile Inductive Loopset – Nokia Project Dream
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Nokia LPS-4 from Tele Call - AssistData
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Here's what the inside of a Nokia 2190 (1995) looks like. This one is from Sprint Spectrum - yes, Sprint briefly had a GSM1900 network, only in the D.C. area. Got it
Nokia LPS-4 Mobile Inductive Loopset – Nokia Project Dream