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This document differentiates between various mobile communication devices including mobile phones, digital cordless phones, PDAs, laptops, palmtops, and RFID devices. Digital cordless phones transmit and receive signals wirelessly from a base station within a few hundred feet, were initially analog but migrated to digital transmission. PDAs are handheld devices that function as personal information managers, such as contact managers and calendars. Palmtops are small portable computers that can fit in the ha

Author

Ushna Abrar

Language

EN