Features:

? It's applied in general environment, such as banks, postal services,insurance companies, bus or train stations, Customs, hospitals and other public places.

?Bank window intercom SR-3A master station is with metal-color appearance and the substation is with metal shell.

? Automatic Hands-free two-way intercom, the microphone has placed in the substation.

? Microcomputer controlled circuit with squelch function can thoroughly solve problems of echo and squeal.

? High-powered mic adopted, voice is lifelike, loud and clear.

? Volume of both equipments can be adjusted and separate switch control.
? Easy installation, only one wire connection.
? It can monitor the conversation of each window, providing clear and vivid voice.
? With recorder jack, it can output dual routes of signal (coordinate with the ATM, and other surveillance devices).

 

 

 

 

 

 

Basic configuration
Master station: 1pcs Substation: 1pc
PT (power transformer): 1pcs Nylon wire: 4pcs
Installation fastener: 4pcs User manual: 1pc

 

 

 

 

 

 

 

Technical parameters:
* Material: space aluminum shell
* Specification: 120*84*43 MM (L*W*H)
* Surface-Treatment Material: brushed and anodic oxidation treatment
* Color: Silver, Panther Black, Champagne gold.
* Sensitivity mic: -47db±1db 20HZ—18KHZ
* Working voltage: AC 180V—250V DC +12V
* Working current: static state 25 mA peak: 100mA output power: 2W