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Multiband USB Antenna for Connecting Sensor Network and Internet
Sensors and materials
In this paper, an antenna design with a multiband and a small size for connecting a sensor network and the Internet has been proposed. The antenna has an antenna portion of 20 × 12 mm 2 and a ground plane of 40 × 12 mm 2 which is printed on a flame retardant 4 (FR4) substrate 1.6 mm thick and with a relative dielectric constant of 4.4. A 50-ohm mini-coaxial cable is adopted to feed the RF input. The antenna portion consists of two meandered arms, and another small L-shaped arm with a chipdoi:10.18494/sam.2017.1530 fatcat:jig4zk4rqraijl5ybapvupyzdq