Trivia Pager

RETRO TECH #1
===================
PAGER 
Sumber : 
http://www.hptekno.com/sejarah-pager-radio-panggil/
https://www.explainthatstuff.com/howpagerswork.html
https://electronics.howstuffworks.com/everyday-tech/restaurant-pager2.htm

Leave a Reply

Your email address will not be published. Required fields are marked *