Dual band ISM 2.4 GHz and 5 GHz finger antenna

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review


A dual band antenna for two ISM bands at 2.4 GHz and 5 GHz has been evaluated. The antenna structure derives its advantage by deploying several radiators as fingers spreading from a single feeding point. Each radiator functions as both a half-wave and a quarter-wave radiator. Arranging them in parallel matches the half-wave resonance to 50 W. By carefully selecting the angle to ground plane and using mutual coupling, the quarter-wave resonance is also matched to 50 W. On average, the efficiency on the 2.4 GHz band is 71%, while on the 5 GHz band the efficiency is 75%. When placed close to a large shielding plane, performance is somewhat lowered, but still continues at a high level.
Original languageEnglish
Title of host publication[Host publication title missing]
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Number of pages5
Publication statusPublished - 2005
EventIEEE Vehicular Technology Conference VTC Fall, 2005 - Dallas, TX, United States
Duration: 2005 Sep 252007 Sep 28
Conference number: 62

Publication series



ConferenceIEEE Vehicular Technology Conference VTC Fall, 2005
Country/TerritoryUnited States
CityDallas, TX

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering


  • finger antenna
  • dual band
  • ISM
  • shielding
  • antenna


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