AT&T EL42258, EL42208 Technical specifications, GHz analog technology, Telephone operating range

Appendix H

Technical specifications

RF frequency band	5857.2 MHz — 5865.9 MHz
(handset to telephone base)
RF frequency band	912.75 MHz — 917.10 MHz
(telephone base to handset)
Channels	30
Modulation	FM
Operating temperature	32°F — 122°F
	0°C — 50°C
Telephone base voltage	104 — 129Vrms
(AC voltage, 60Hz)
Telephone base voltage	DC7.5V @250mA
(AC adapter output)
Handset voltage	DC3.1 — 4.3V 400mAh
Replacement battery	3.6V 400mAh Ni-Cd

5.8 GHz analog technology

Dual band transmission combines the best of 5.8 GHz and 900MHz analog technologies to provide quality performance and complete signal coverage for a standard home, while not interfering with wireless routers.

Telephone operating range

This cordless telephone operates with the maximum power allowed by the Federal Communications Commission (FCC). Even so, the handset and telephone base can communicate over only a certain distance - which can vary with the locations of the telephone base and handset, the weather, the layout, and the construction of your home or office.

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