Choosing a reliable walkie-talkie is very important, and we can usually judge by the following factors:

1. Frequency Compatibility

One of the most crucial factors in choosing a PoC radio is ensuring that the frequency of the device matches the local frequency. This is important because different regions and countries may have different frequency regulations. By selecting a PoC radio that operates on the correct frequency, you can ensure seamless communication without any interference or legal issues.Tesunho ensures your right selection with technical support and various of specific radio versions for different countries or areas. Diferent network operators have same working priority rank for carriers. Top priority is given to cards from the running operator. Second rank is given to IoT cards cooperating with the running operator. The last is given to IoT roaming cards. Complying this principle, Tesunho doesn't supply sim cards, but encourage partners to work with local operators. 

2. Operating System

Choosing a PoC radio with a Linux operating system can offer several advantages. Linux is known for its stability, security, and flexibility. It provides a robust platform for running various applications and allows for customization. An obvious advantage on Linux radio is that its data consumption is quite few, saving a lot of cost, comparing with Android OS. 

3. Technical Support And After-sales

When choosing a PoC radio, it is essential to consider the technical support and after-sales service provided by the manufacturer. Tesunho, as a professional and experienced walkie-talkie manufacturer, understands the importance of customer satisfaction and offers excellent technical support and after-sales service.

Tesunho has a dedicated team of professionals who can assist with any technical queries or concerns regarding their PoC radios. Whether you need assistance with device setup, troubleshooting, or understanding the features of your PoC radio, Tesunho's technical team is there to support you.

Furthermore, Tesunho's commitment to after-sales service ensures that any issues or concerns you may have with your PoC radio are addressed promptly and efficiently. Their customer-centric approach ensures that you receive the necessary support and assistance throughout your usage of their PoC radios.

In conclusion, choosing a reliable PoC radio involves considering factors such as frequency compatibility, operating system, and the level of technical support and after-sales service provided by the manufacturer. By selecting a PoC radio from Tesunho, you can be confident in your choice and enjoy seamless communication with peace of mind.