If not mistaken his place is in Sg. Besi area.
It's definitely not adding booster or anything like that. I have to say that booster is terrible!!
He will tweak the frequency using GT3 machine or something like that. Procedure is similar to when you are diagnosing your JOY What I'm sure is the programming is permanent and the radio station frequency will be changed to 87.5 - 108.0!!
Rest assured that the radio reception will not pose any problems to you all after that :top: