Ref: + http://khoahoc.tv/lam-the-nao-cac-n...lien-lac-gui-va-nhan-tin-hieu-tu-vu-tru-74047 + http://khoahoc.tv/nasa-phat-trien-cong-nghe-truyen-thong-tin-nhanh-hon-100-lan-trong-vu-tru-69621 + http://khoahoc.tv/khong-dung-nhieu-nang-luong-thiet-bi-nay-van-truyen-tin-hieu-di-rat-xa-85825 + http://www.xaluan.com/modules.php?name=News&file=article&sid=2064764 + http://www.bbc.com/vietnamese/vert-fut-38663131 + https://news.zing.vn/ban-song-radio-de-diet-phi-co-khong-nguoi-lai-post588314.html + https://nld.com.vn/suc-khoe/chua-benh-bang-song-radio-191013.htm + http://vietbao.vn/Khoa-hoc/Su-dung-song-radio-tieu-diet-sau-bo-trong-hat-say-kho/20016817/188/ + http://fas.hcmute.edu.vn/ArticleId/06174eb1-a338-4f95-98ef-fec4e7d411dc/vi-ba-microwave + https://vnexpress.net/tin-tuc/khoa-...-song-vo-tuyen-bi-an-nhat-vu-tru-3523715.html + http://thammyauviet.com/nang-co-xoa-nhan.html + https://mahpahh.com/wifi-2-4ghz-5ghz-la-gi-va-tai-sao-2/ + http://tls.com.vn/n210/Phat-song-ngan-bang-ky-thuat-so.aspx
