Chengdu Yibaite Chengdu Zeyao which transmission module is good?

At present, there are many domestic communication module manufacturers, which can be based on

1, R&D capability of the company (from patents obtained and identification of national high-tech enterprises)

2. Perfection of pre-sales and after-sales service system

3. Technical support (whether there are perfect schemes, materials, tests, manuals, etc.). )

4, the company's development history (know the company's R&D and production experience)

5. Is the quality of the company's wireless module return block reliable?

6. Understand the company's reputation

The good performance of wireless module mainly lies in module chip, module power consumption stability, module performance, anti-interference ability and so on. It is recommended to measure samples.