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Name: 2018 Best Price Non-visual 2 Wire Audio Indoor Phone
Model: PST-ADI22
2 Wire Audio Door Phone;
◆Support Unlocking & intercom; 
◆Material: Plastic; 
◆One unlock button;
◆Connetion cable: RVV2 wire; 
◆Working temperature: –10°C to +50°C; 
◆Comparative Humidity: 5%--95%; 
◆Transmitting distance: 100M;
Power supply: DC12V; 
◆Support Electric lock-control function; 
User Manual
Youtube Video
PST-ADI22 Specifications
Name 2 Wire Audio Door Phone Indoor Phone
Model PST-ADI22
Power DC12V(One system only need one power supply)
Maximum Transmitting distance 100 meters
Connetion cable From outdoor station to indoor phone 2 wire(RVV2)
Working temperature –10°C to +50°C
Comparative Humidity 5%--95% non-condensing
Material Plastic
Unlock One unlock button
packing size  
Gross Weight  
PST-ADI22 Features & Functions
Application Can be used in apartments,villas,hotels and offices etc
Basic Functions Support Unlocking
Support Intercom
PST-ADI22 Package List
Indoor phone x1
Connector x1