I tried your advice; But, result is same , not change.
I think maybe my foulty. I used a some cable. Iaccording to video on YOUTUBE
And I don't really understand electronics. Maybe I wrong . What is your advice?
I'm not electronic tech. I research your advice. Maybe I will solder without cable (direct anttenna) I will test.
Thank you @thetahsk[/QUOT
There should be proper Impedence matching for maximum power transfer....to increase the strength of signal....it is very difficult to do it manually....Please look for such module having inbuilt antenna system...