Editing Stored Phone Numbers. LG Electronics LX5550

LX5550(E)-USC.QXD 04/2/26 10:16 AM Page 10

Important Information

This user’s guide provides important information on the use and operation of your phone. Please read all the information carefully prior to using the phone for the best performance and to prevent any damage to or misuse of the phone. Any unapproved changes or modifications will void your warranty.

FCC Part 15 Class B Compliance

This device and its accessories comply with part 15 of FCC rules. Operation is subject to the following two conditions: (1) This device and its accessories may not cause harmful interference, and (2) this device and its accessories must accept any interference received, including interference that causes undesired operation.

Technical Details

The LX5550 is a dual-band phone that operates on both Code Division Multiple Access (CDMA) frequencies: cellular services at 800 MHz and

Personal Communication Services (PCS) at 1.9 Ghz.

CDMA technology uses a feature called DSSS

(Direct Sequence Spread Spectrum) that enables the phone to keep communication from being crossed and to use one frequency channel by multiple users in the same specific area. This results in a 10-fold capacity increase when compared with analog mode. In addition, features such as soft / softer handoff, hard Handoff, and dynamic RF power control technologies combine to reduce call interruptions.

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LX5550

The Cellular and PCS CDMA networks consist of

MSO (Mobile Switching Office), BSC (Base Station

Controller), BTS (Base station Transmission

System), and MS (Mobile Station). The following table lists some major CDMA standards.

CDMA Standard

Basic Air Interface

Network

Service

Performance

Designator Description

TIA/EIA-95A

TSB-74

ANSI J-STD-008

TIA/EIA-IS2000

CDMA Dual-Mode Air Interface

14.4kbps radio link protocol and inter-band operations

IS-95 adapted for PCS frequency band cdma2000 1xRTT Air Interface

TIA/EIA/IS-634

TIA/EIA/IS/651

TIA/EIA/IS-41-C

TIA/EIA/IS-124

TIA/EIA/IS-96-B

TIA/EIA/IS-99

TIA/EIA/IS-637

TIA/EIA/IS-657

IS-801

TIA/EIA/IS-707-A

TIA/EIA/IS-97

TIA/EIA/IS-98

ANSI J-STD-018

ANSI J-STD-019

TIA/EIA/IS-125

MAS-BS

PCSC-RS

Intersystem operations

Nom-signaling data comm.

Speech CODEC

Async Data and Fax

Short message service

Packet Data

Position Determination

Service (gpsOne)

High Speed Packet Data

Cellular base station

Cellular mobile station

PCS personal station

PCS base station

Speech CODEC

* TSB -74: Protocol between an IS-95A system and ANSI

J-STD-008

1xRTT system receives twice as many subscribers in the wireless section as IS-95. Its battery life is twice as long as

IS-95. High-speed data transmission is also possible.

LX5550

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