Necm

I understood you.. ok. which devices should be used?

@ManosMax13 thank you @rice guru is this the same ?

I have no information...I'm studying this

I want to know how it works... I am very curious....

thank you.. but for example 5 or 2 km maybe farther I think with radio frequency?

without internet , without using recorder how can remote listening be possible? how is it in movies,? thank you...