Technical Specifications - AT&T TL90078 User Manual

Appendix H

Technical specifications

Operation
Talk time (handset)
Talk time (speakerphone)
Standby
* Operating times will vary depending on your actual use and the age of the
battery.
RF frequency band
Channels
Operating temperature
Handset voltage
Charger voltage
(AC adapter output)
Replacement battery
1921.536 MHz — 1928.448 MHz
5
32°F — 122°F
0°C — 50°C
2.4 — 3.2 VDC
6VAC @300mA
2.4V 750mAH
Operating time*
Up to nine hours
Up to two hours
Up to five days
37