A 2×1 microstrip patch array rectenna with harmonic suppression capability for energy harvesting application by Amir, Nur ‘Aisyah, Hamzah, Shipun Anuar, Ramli, Khairun Nidzam, Mohd. Shah, Shaharil, Zainal, Mohamad Shamian, Che Seman, Fauziahanim, Adon, Nazib, Mustapa, Mohamad Sukri, Esa, Mazlina, Nik Abd. Malik, Nik Noordini