AT&T 1440/1140 user manual Technical Specifications

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91-5393-30-00_ATT1440_R1 2003.3.27 10:25 AM Page 35

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

RF Frequency Band	912.75 MHz – 917.10 MHz
(Handset to base)

RF Frequency Band	2411.15 MHz – 2418.40 MHz
(Base to handset)

Channels	30

Modulation	FM

Operating Temperature	0°C – 50°C

Base Unit Voltage	104 – 129 Vrms

Base Unit Voltage	9 Vdc @ 300mA
(AC Adapter Output)

Handset Voltage	3.1 – 4.2 Vdc,600mAh

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Contents GHz Cordless Telephone with Caller ID/Call Waiting 1440/1140 91-5393-30-00ATT1440R1 2003.3.27 1024 AM Contents Parts List Before YOU BeginChoose a Location for Your Phone About Caller Identification Caller IDInstallation Before You InstallTable/Desk Installation Attach belt clip to the cordless handset optionalCharge the handset battery Wall Installation Telephone Operation Page/Handset Locator Handset Ringer Style/Battery Save Temporary Tone DialingHeadset Jack Operating RangeTelephone Memory Store a Number/Name in MemoryDial Key 91-5393-30-00ATT1440R1 2003.3.27 1025 AM Edit a Number/Name Stored in Memory Delete a Number/Name Stored Memory Dial a Memory Number Telephone Directory Store a Number/Name in the Directory91-5393-30-00ATT1440R1 2003.3.27 1025 AM Edit a Number/Name Stored Directory Delete a Number/Name Stored Directory Dial a Number from the Directory Caller ID Operation About Call HistoryTurn Off Base NEW Call Indicator Review Call HistoryDelete Records from Call History Delete a Specific CallDial a Displayed Number Store a Call History Record Directory Display Screen Messages Charge the Handset Battery Pack BatteriesReplacing the Handset Battery Pack Case of Difficulty Telephone OperationIf the phone does not ring when you receive a call If you hear noise or interference when using the phone Problem Solution Default Settings Default SettingsTechnical Specifications Technical SpecificationsIndex