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Want to know the difference between telemetry modules

I am thinking to buy a telemetry module for my APM 2.8 but when I searched on internet I found two modules. One was 433mhz 100mw telemetry module and other was 433mhz 500mw module. I am interested in buying one of these only. But I can’t decide because I don’t know the difference between 100mw and 500mw. If someone knows the difference plz reply and tell which one is best among these two. Thanks in advance.

the 500mW radiates more power (has more range) but might be ilegal in your country.

Is the range difference two much ??? How much is the range difference ???

It should be a bit more than double the range, but it’s not as simple to put it in distance units.

It greatly depends on the antenna too, which is almost impossible to qualify.

Can you provide some links from the products you have found?

Yes sure, if possible plz tell me the distance range also.

433mhz 500mW -:

https://m-in.gearbest.com/receiver-transmitter/pp_1476504.html?wid=1433363

433mhz 100mW -:

https://m-in.gearbest.com/antenna/pp_1403733.html?wid=1433363

Yes sure, if possible plz tell me the distance range also.

433mhz 500mW -:

https://m-in.gearbest.com/receiver-transmitter/pp_1476504.html?wid=1433363

433mhz 100mW -:

https://m-in.gearbest.com/antenna/pp_1403733.html?wid=1433363.

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