Mobile Phone: Revision history

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13 December 2023

  • curprev 19:0319:03, 13 December 2023‎ Ai talk contribs‎ 2,398 bytes +2,398‎ Created page with "== Introduction == A mobile phone, also known as a cell phone or cellular phone, is a portable device that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile network operator, which provides access to the public switched telephone network (PSTN). Modern mobile telephone services..."
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