Samsung SCH-U640 User Manual (user Manual) (ver.f9) (English) - Page 89

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MORE INFORMATION How wireless works Your wireless service is different from your home or business phone service. On a wireless device, you must press the SEND button to alert the network to connect your call. Unlike the calls you make on a home or business phone, wireless communications travel over the air and can react to the environment. Rain, snow, fog, falling leaves, water, mountains, canyons and even buildings may affect service. All wireless service is subject to "dead zones," or no-coverage areas. Verizon Wireless network technology Verizon Wireless offers CDMA (Code Division Multiple Access) digital network technology to most of its customers. CDMA digital technology offers many benefits compared to analog, such as less static, enhanced voice clarity, increased privacy and longer battery life. A CDMA digital phone is necessary to subscribe to our digital service. Verizon Wireless only sells digital wireless devices that are E911 compatible and either all-digital or tri-mode, which means you may use analog or CDMA digital services on different frequencies. 89

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MORE INFORMATION
How wireless works
Your wireless service is different from your home or
business phone service. On a wireless device, you
must press the SEND button to alert the network to
connect your call. Unlike the calls you make on a home
or business phone, wireless communications travel
over the air and can react to the environment. Rain,
snow, fog, falling leaves, water, mountains, canyons and
even buildings may affect service. All wireless service is
subject to “dead zones,” or no-coverage areas.
Verizon Wireless network technology
Verizon Wireless offers CDMA (Code Division Multiple
Access) digital network technology to most of its
customers. CDMA digital technology offers many
benefits compared to analog, such as less static,
enhanced voice clarity, increased privacy and longer
battery life. A CDMA digital phone is necessary
to subscribe to our digital service. Verizon Wireless
only sells digital wireless devices that are E911
compatible and either all-digital or tri-mode, which
means you may use analog or CDMA digital services on
different frequencies.