Novel Design of High-Gain Planar Dipole-Array Antenna for RFID 2.45 GHz

Table 2

Values of main parameters.

Resonant frequency	Arraying form	𝑑𝑒 (mm)	d (mm)	l (mm)
915 MHz	Two-element (no ground)	173.5	200.4	—
2.45 GHz	Four-element (no ground)	67.3	85.6	60
2.45 GHz	Four-element (with ground)	57.1	79.2	60