Best Criteria for Selecting a Wireless Transmitter Supplier and Choosing Transmitter Types

I have a more detailed grasp of the wireless transmitter from this article.
https://www.apogeeweb.net/electron/the-best-guide-to-the-wireless-transmitter.html
But I want to know how to choose the best supplierof wireless transmitter?
Which type can i choose?

Hello
These types of transmitters are low power, therefore their range is limited and no special regulations are required to use them.
I have always used Aurel modules, which are very efficient.
In my opinion, the only solution is the following:

if you have a good well equipped laboratory, you could purchase a sample of a TX of your choice from each manufacturer.
Then you should try, under the same conditions and in your laboratory, the various TX, measuring with the appropriate instruments:

- radiated power
- return power
- distance reached by the carrier
- soectrum
- harmonics
- any EMI
- heating
- current consumption
etc.

Only in this way can you have an objective answer from your experiments. Often the reviews read on the ads are not reliable.
Greetings
Giovanni Di Maria

thanks

Hello,
the choice of the manufacturer will depend on what you really want to do with the wireless transmitter, the specification of the transmitter and also your test. You should consider searching for reliable manufacturers within your country.

Dear Giovanni Di Maria
Thanks to your reply,I gain a lot.