hey bro
menna me trick eka gana poddak katha karanna one kiyala hithuna
machan Phone line eken yanne Audio signal ekak neda analog

eka hamoma danna deyakne...
so key eke remote eken yanne (radio frequency) RF signal ekakne...
dan oya kiyana vidiyata phone eke mic eka issarahin ara key eka obala signal yanna vidiyatai kiyala alluwahama ea RF signal ekak dunnoth eka mic eken athulta gihin.. amp ekak haraha gihin transmitter ekakinuth gihin passe aith speeker ekakin out karanna puluwanda?
mic ekakin karanne mokakda kiyala dannawane analog signal walata *ශබ්ද තරංග convert karana ekane.. RF signal ekak MIC ekakata handunaganna puluwanda

bahaneda? ehemanam kohomada RF signal ekak SPEAKER ekakin out karanne?

SPEAKER ekakin RF signal out karanna baha neda? ehema karanna puluwannam antenna wenuwata speakers hai karanna puluwan neda

hehee
machan mama mekathawa piliganne nehe
kattiya tikak kalpana karala balanna mama kiwwa de ganath..
mage waradichcha than thienawanam hadala denna
anyway thankz machan Bill gates anik tricks walata

hehe