AT&T E2728B - Manual (Page 57)

53
Appendix
53
Appendix
Technical specifications
RF Frequency Band
(Cordless handset to
base) 921.4 MHz — 927.2 MHz
RF Frequency Band
(Base to cordless
handset) 2400.9 MHz — 2405.1 MHz
Operating Temperature 32 —122°F
0°C — 50°C
Base Unit Voltage
(AC Voltage, 60Hz) 120V AC 60Hz
Base Unit Voltage
(AC Adapter Output)
9V DC 400mA
Charger Voltage
(AC Adapter Output) 9V DC 150mA
Cordless handset Voltage 3.6V 600mAH Ni-Cd Battery