Wearable Passive E-Textile UHF RFID Tag Based on a Slotted Patch Antenna with Sewn Ground and Microchip Interconnections

Table 1

Simulated radiation properties of the antenna.

	(dBi)						(dBi)
Freq. (MHz)	865	915	965	865	915	965	865	915	965
	1.56	1.64	1.79	0.52	0.56	0.61	−0.86	−0.56	−0.19
	1.60	1.67	1.95	0.16	0.20	0.25	−5.95	−5.00	−3.94
	5.59	5.36	4.90	0.17	0.18	0.20	−2.11	−1.95	−1.99
	5.61	5.38	4.89	0.11	0.13	0.14	−3.87	−3.56	−3.45