Technical Specifications - AT&T E1828B User Manual

5.8 ghz corded/cordless telephone/answering system with caller id/ call waiting

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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 32°F — 122°F

Telephone Base Voltage

(AC Voltage, 60Hz)

Telephone Base Voltage

(DC Adapter Output)

Handset Voltage

Charger Voltage

(AC Adapter Output)

Replacement Battery

5863.8MHz — 5872.5MHz

912.75MHz — 917.10MHz

0°C – 50°C

104 — 129 Vrms

DC9V @500mA

DC3.1 — 4.3V @400mAh

DC9V @150mA

3.6V 400mAh Ni-Cd

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E5828b