AT&T E3813B - Manual (Page 66)

Appendix
63
Technical specifications
RF frequency band
(handset to telephone
2400 MHz — 2483.5 MHz
RF frequency band
(telephone base to handset) 5725 MHz — 5850 MHz
Channels
95
Operating tempera-
ture
32°F — 122°F
0°C — 50°C
Telephone base voltage
(AC voltage, 60Hz)
96 — 130 Vrms
Handset voltage
3.2 — 4.7 VDC 600mAh
Charger voltage
(AC adapter output)
9VDC @200mA
Replacement battery 3.6V 600mAh
5.8 GHz digital spread spectrum frequency hopping technology
This technology digitally transmits your voice across multiple channels in both the
5.8GHz and 2.4GHz frequencies to provide enhanced range, ultimate sound clarity
and advanced privacy against eavesdropping on your calls, while not interfering
with wireless routers.
Telephone operating range
This cordless telephone operates within the maximum power allowed by the Federal
Communications Commission (FCC). Even so, this handset and base can
communicate over only a certain distance — which can vary with the locations of
the base and handset, the weather, and the construction of your home or office.