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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AT&T 1440/1140 user manual Technical Specifications