Multiband (920 MHz/2.4 GHz/3.5 GHz/5 GHz) planar antenna on flexible substrate

Koji Fujita, Daisuke Kanemoto, Kuniaki Yoshitomi, Keiji Yoshida, Haruichi Kanaya

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


This article presents the design of a multiband planar antenna on a flexible substrate for ISM (920 MHz/2.4 GHz) and WiMAX (2.5 GHz/3.5 GHz/5.8 GHz) operation. We use a J-shaped ground connected with a stub and an L-slot to obtain multiband resonances. The measured impedance bandwidths (S 11?≤?-6 dB) of the proposed antenna are 900-970 MHz, 1.45-3.70 GHz, and 4.76-7.00 GHz, and the antenna size is 90 × 18 × 0.254 mm3. As the antenna is fabricated on a flexible substrate, the antenna characteristic does not change even when the antenna is bent.

Original languageEnglish
Pages (from-to)2526-2530
Number of pages5
JournalMicrowave and Optical Technology Letters
Issue number11
Publication statusPublished - Nov 2014

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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