Talk-Back
![](https://www.teleindustria.com/sites/default/files/styles/thumbnail_360x360/public/OCS487M1J4K4%2BMIC.jpg?itok=KUV-UBO4)
Marine Talk-Back system, simple and reliable.
Simple and efficient Talk-Back system for marine applications.
OCS487M1-J4-K4
Marine Talk Back
![](https://www.teleindustria.com/sites/default/files/styles/foto-prodotto_240x220_/public/OCS487M1-J4-K4_RAL7001.jpg?itok=1u8YQCHw)
Marine Talk-Back system, simple and reliable.
Simple and efficient Talk-Back system for marine applications.
OCS487M1-J4-K4
Marine Talk Back