Appendix

Technical specifications

RF frequency band

1921.536MHz - 1928.448MHz

 

 

 

 

Channels

5

 

 

 

 

 

 

Operating temperature

32°F - 122°F

 

 

 

0°C - 50°C

 

 

 

 

 

 

Deskset voltage

100 Vrms - 120Vrms

(AC voltage, 60Hz)

 

 

 

 

 

 

 

Deskset voltage

6VDC @400mA

 

 

(AC adapter output)

 

 

 

 

 

 

 

Replacement battery

3.6V 600mAH

 

 

 

 

 

 

Backup battery

 

 

 

 

 

 

 

 

 

Operation

 

Operating time*

 

 

 

Talk time (corded handset)

 

Up to 12 hours

 

 

Talk time (speakerphone/ corded headset)

Up to 7 hours

 

 

 

Standby

 

Up to 3 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, the deskset can communicate over only a certain distance — which can vary with the locations of the deskset, the weather, and the construction of your building.

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AT&T SB67148 user manual Technical specifications, Backup battery, Dect 6.0 digital technology, Telephone operating range