AT&T TL90078 user manual Technical specifications, Operation Operating time

Models: TL90078

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Appendix H

Technical specifications

RF frequency band

1921.536 MHz — 1928.448 MHz

 

 

Channels

5

 

 

Operating temperature

32°F — 122°F

 

0°C — 50°C

 

 

Handset voltage

2.4 — 3.2 VDC

 

 

Charger voltage

6VAC @300mA

(AC adapter output)

 

 

 

Replacement battery

2.4V 750mAH

 

 

Operation

Operating time*

 

 

Talk time (handset)

Up to nine hours

 

 

Talk time (speakerphone)

Up to two hours

 

 

Standby

Up to five days

 

 

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

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Page 42
Image 42
AT&T TL90078 user manual Technical specifications, Operation Operating time