Assalam-0-alaikum,!

wifi k signal computer py catch krny k liye hamain wifi catcher chahiye hota hai, jo k kafi expencive hota hai, kia ham apni purani pari huvi evo sy yeh kam kr skty hain.?
q k signal catcher us mai b laga hua hota hai.
koi bhai jo yeh pehly r chuka ho ,
Is post py apna method post ker den.!
shukria.