Cdma Dual Band Trimode Phone; General; Advantages Of Cdma 1X - Motorola T720 Service Manual

Digital wireless telephone
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Personal Communications Sector
CDMA DUAL BAND
TRI MODE PHONE

General:

T720 - CDMA Dual Band Tri Mode Phone
T720 also known as CDMA 1X is a CDMA2000
1XRTT version of V.120C. It uses Qualcomm chip
set and software. This is a dual band tri mode
phone- 1900Mhz CDMA / 800Mhz CDMA /
800Mhz AMPS.
What is 1X?
CDMA 1X has many names such as CDMA 2000,
IS-2000, 2.5G, CDMA One, IS95C, and 3G1X. As
a fundamental way of thinking CDMA 1X is to
CDMA as NAMPS is to AMPS. Using the 1.25
MHz bandwidth of a CDMA channel the CDMA
1X can adjust the amount of supplemental channels
based on the data needs.

Advantages of CDMA 1X:

1. Approximately 2X voice capacity over IS-
95B.
2. High Data Rates:
— 144 kbps full mobility
— 384 kbps low speed mobility
— 2 Mbps for fixed installations
3. Easy up grade for service providers who are
currently operating systems using IS-95. All
software enhancements.
4. Backward compatible with IS-95
— T720 due to lower cost chipset can support
data rates of 153.6kbps down/9.6kbps up.
Product Description
Left Soft Key
Perform functions
identified by left
display prompt.
Headset Jack
Insert headset
accessory for
hands-free use.
Power Key
& End Key
Turn phone on and
off, end phone
calls, exit menu
system.
Volume Keys
Adjust earpiece
and ringer volume.
4-Way
Navigation Key
Scroll through
menus and lists,
set feature values.
➌ In Use
➍ Roam
Indicator
Indicator
➋ Digital/
5
Analog Signal
Indicator
➊ Signal
Strength
Indicator
Clock
Messages
Web
STYLES e
Access
Phonebook
7
T720
Menu Key
Status Light
See incoming call
and service status.
Right Soft Key
Perform functions
identified by right
display prompt.
Voice Key
Record voice notes,
phonebook and
shortcut names.
Send Key
Send and answer
calls, view recent
dialed calls list.
Microphone
Accessory
Connector Port
Insert charger and
phone accessories.
➎ Active
➏ Text
Line
Entry
Indicator
Mode
Indicator
#8?IP V
Q
^
➐ Battery
Service Provider
Level
10:00am
Indicator
10/10/02
U
➑ Ring
Style
b
g
Indicator
r
➒ Message
Waiting
RECENT
Indicator
➓ Menu
Datebook
Indicator
Soft Key Labels
© 2002 Motorola, Inc.

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