slot memoA slot antenna is formed when a slot cut in the metal plate. The antenna is dual of the electric dipole. The complementary antennas have the following.Rak Kertas Memo Peraga Kertas Pembungkus Kawat Logam 30 Slot Rak Kertas Buku Memo ; Lapisan akhir permukaan. Berlapis bubuk ; Warna. Putih atau kustom ; Penggunaan.