Technical Specifications - AT&T E5828B User Manual

Appendix

Technical specifications

Telephone operating range
This corded/cordless telephone operates with the maximum power allowed by the
Federal Communications Commission (FCC). Even so, the handsets and telephone
base can communicate over only a certain distance - which can vary with the loca-
tions of the telephone base and handsets, the weather, the layout, and the con-
struction of your home or office.
RF frequency band
(handset to base)
RF frequency band
(base to handset)
Channels
Modulation
Operating temperature
Telephone base voltage
(AC voltage, 60Hz)
Telephone base voltage
(DC adapter output)
Handset voltage
Charger voltage
(AC adapter output)
Replacement battery
66
5863.8MHz — 5872.5MHz
912.75MHz — 917.10MHz
30
FM
32°F — 122°F
0°C – 50°C
104 — 129 Vrms
DC9V @500mA
DC3.1 — 4.3V @400mAh
DC9V @150mA
3.6V 400mAh Ni-Cd