Mobile phone frequency can be weak for the shadow of building or structure reflection. You can use mobile phone even in an area given up to use due to out of frequency range. Possible to use multiple phones simultaneously If multiple phones are needed in wide room or many rooms, it can be covered with coupler.
Professional designer installs with best communication condition including after-service.
Do not install in contaminated area with water, humidity, vapor, dust oil etc. Possible to use multiple phones simultaneously If multiple phones are needed in wide room or many rooms, it can be covered with coupler. All rights reserved. All rights reserved.