Portable Cellular Telephone (D-Network), Location/Purpose

Portable Cellular Telephone (D-Network), Location/Purpose






Purpose
- Interface between user and system
- Transmitter/receiver for system
- Mount for control and display elements of telephone
- Mount for SIM card (Subscriber Identification Module (system dependent)
- Memory for storing names, numbers, short messages, etc.
- Microphone and loudspeaker integrated