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Technical specifications

Technical specifications

REN

0.3B

 

 

Power adapter

Input: AC 120V, 60Hz

 

Output: DC 12V, 500mA

 

 

Battery

One 9V alkaline battery required

 

 

Intercom signal frequency

Data 455 KHz

 

 

Technical specifications

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AT&T 974 user manual Technical specifications, Power adapter, Battery, Intercom signal frequency