LCHNB

Welcome to use

We insist on providing users with high-quality and convenient services, continuous improvement and continuous attention to users' needs.
provides users with professional and convenient applications, committed to creating a high-quality and convenient service platform. So we continue to improve and focus on user experience, providing a complete functional experience with simple and understandable pages.

Three major characteristics

* 24/7 Get online use anytime, anywhere!

* Simple interface, good user experience, secure and easy-to-use!

* Calculate the capacitance of the whip antenna, inductance, quarter wavelength, antenna length, radiation resistance!

Download and use the application. All suggestions and opinions are welcome!! We can certainly study this in future updates.

Thanks.