LG VX4700 Owner's Manual (English) - Page 9

Also, the VX4700 works on Advanced Mobile Phone Service - user guide

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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 VX4700 is an all digital 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. Also, the VX4700 works on Advanced Mobile Phone Service (AMPS). We call it a tri-mode phone. Since the phone operates on Cellular, PCS and AMPS, the call fail rate is less than on a conventional dual-mode or singlemode phone. 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. 8 VX4700

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8
VX4700
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 VX4700 is an all digital 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.
Also, the VX4700 works on Advanced Mobile Phone Service
(AMPS). We call it a tri-mode phone. Since the phone operates
on Cellular, PCS and AMPS, the call fail rate is less than on a
conventional dual-mode or singlemode phone.
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.