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

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

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

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

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

6.Volume of both equipments can be adjusted and separate switch control.
7.Easy installation, only one wire connection.
8.It can monitor the conversation of each window, providing clear and vivid voice.
9.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