Ramli, Muhammad Ridduan, Sharul Kamal Abd Rahim, Mursyidul Idzam, and Muhammad Lokman Samingan. 2016. “Performance Analysis of Microstrip Grid Array Antenna on Different Substrates for 5G Mobile Communication”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 8 (6):1-4. https://jtec.utem.edu.my/jtec/article/view/1235.