... f0 (MHz) Zin (Ω) G (dB) 0.1 27 920 7. 4-j49 1. 87 0 .78 7 920 13.8+j110 1.88 1. 57 920 28.1+j288 1 .70 3.14 920 93+j 677 1.35 Table 4. Input impedance and gain of the OCSRR antenna at 920 ... September 20 07, pp. 2 07 4-2 076 . Calabrese, C. & Marrocco, G., “Meander-slot antennas for sensor-RFID tags,” IEEE Antennas and Wireless Propagation Letters., vol. 7, pp. 5-8 , 2008. Collin, ... 20 07, pp. 174 9- 175 2, Hawaii, June.20 07. [4] W.G. Hong, W.H. Jung and Y. Yamada, “High Performance Normal Mode Helical Antenna for RFID Tags”, IEEE AP-S’ 07, pp.602 3-6 026, Hawaii, June 20 07 [5]...