Nokia 2180 Service Manual ch2genps
Programme’s After Market Services
NHD–4 Series Transceivers
Chapter 2
General Information
Original 11/97
NHD–4
PAMS
General Information
Technical Documentation
CONTENTS
Introduction 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Modules 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nokia1 NHD–4NX 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Units and Accessories 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Characteristics 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC Characteristics 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Mode 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Mode 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Characteristics 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page No
Metric Units 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
English Units 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Figures
Figure 1. NHD–4 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page No
Page 2–2
Original 11/97
PAMS
NHD–4
Technical Documentation
Introduction
NHD–4 is a dual mode handportable Cellular phone product for the North
American dual mode CDMA/AMPS system.
The transceiver consist of four modules: UI–flex, RF/system module,
battery pack and mechanics.
NHD–4 offers analog and digital mode full rate speech services defined in
IS–96 and in analog mode provides six power levels at a maximum power
level of 0.6W ERP (450mW into 50 Ohm load) in power class III. The
transceiver has a retractable antenna and a connector for external
antenna and accessories. The user communicates with the phone via
LCD–display, keyboard and some audible tones.
The transceiver will support an Analog PCMCIA Card.
NHD–4 can be connected to different accessories such as chargers,
holders, hands–free units, data–adapters and handset through the bottom
system connector.
General Information
Original 11/97
NOKIA1
Figure 1. NHD–4
Page 2–3
Loading...