AT&T TL77008 Technical specifications, GHz digital spread spectrum frequency hopping technology

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Index

Technical specifications

RF frequency band

2400 MHz — 2483.5 MHz

(handset to telephone base)

 

 

 

RF frequency band

5725 MHz — 5850 MHz

(telephone base to handset)

 

 

 

Channels

95

 

 

Operating temperature

32°F — 122°F

 

0°C — 50°C

 

 

Telephone base voltage

96 — 130 Vrms

(AC voltage, 60Hz)

 

 

 

Telephone base voltage

9VDC @400mA

(AC adapter output)

 

 

 

Handset voltage

3.2 — 4.7 VDC 550mAh

 

 

Charger voltage

9VDC @200mA

(AC adapter output)

 

 

 

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 telephone base can communicate over only a certain distance — which can vary with the locations of the telephone base and handset, the weather, and the construction of your home or office.

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Contents User’s manual Congratulations Parts checklist TL77008Table of contents Quick reference guide PHONE/FLASHFeature menu Installation preparation Avoid placing the telephone base too close toCharger installation Important InformationBattery installation & charging ThisCall 1 800 222-3111. In Canada dial 1 866 Adding and registering handsets To register a handset to your telephone base Replacing a handset You may need to de-register your handsets ifReplacing a handset To attach the belt clip Belt clip & optional headsetTo remove the belt clip Troubleshooting Troubleshooting Connecting Off in this Troubleshooting guide Please refer to the Battery installationTroubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Maintenance Cleaning your telephoneTaking care of your telephone Avoid waterImportant safety information Important safety information Precautions for users of implanted cardiac pacemakers Pacemaker Patients FCC Part 68 and Acta FCC Part 68 and Acta Industry Canada FCC Part FCC Part Limited warranty What does this limited warranty cover?Limited warranty Limited warranty Other limitations GHz digital spread spectrum frequency hopping technology Technical specificationsTelephone operating range