Technical specifications, Dect 6.0 digital technology, Telephone operating range – AT&T CL81211 User Manual

Page 69: Redefining long range coverage and clarity, And clarity, Hd audio

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Appendix

64

Technical specifications

Operation

Operating time*

Talk time (cordless handset)

Up to seven hours

Talk time (cordless handset speakerphone)

Up to five hours

Standby

Up to six days

* Operating times vary depending on your actual use and the age of the battery.

DECT 6.0 digital technology
The AT&T DECT 6.0 products offer unsurpassed range performance and sound clarity. This is

achieved through a unique antenna design and advances in noise-filtering technology. An

independent laboratory has confirmed that AT&T DECT 6.0 products perform up to 45% better in

range competitions. Now calls can be taken in the basement, backyard and garage with exceptional
sound quality.

Telephone operating range
This cordless telephone operates within the maximum power allowed by the Federal

Communications Commission (FCC). Even so, this handset and telephone base can communicate

over only a certain distance — which can vary with the locations of the telephone base and
handset, the weather, and the construction of your home or office.

Redefining long range coverage and clarity
This telephone base comes with an antenna which gives much better clarity and covers a longer
range than before.

HD audio
HD audio improves sound quality by expanding and rebuilding frequencies that are lost with

traditional phone calls. There is no additional telephone service requirement to use HD audio. It

is designed to work with standard telephone service. Your system will automatically enhance all

received sound with HD audio.

RF frequency band

1921.536MHz - 1928.448MHz

Channels

5

Operating temperature

32°F - 122°F

0°C - 50°C

Telephone base voltage

(AC voltage, 60Hz)

96Vrms - 130Vrms

Telephone base voltage

(AC adapter output)

6VAC @ 300mA

Handset voltage

2.4VDC - 3.2VDC

Charger voltage

(AC adapter output)

6VAC @ 300mA

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