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Progress In Electromagnetics Research Letters
ISSN: 1937-6480
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By B. Taha-Ahmed, I. Alvarez Calvo, and J. L. Masa-Campos

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The insertion loss of different materials is measured at 2.4, 3.3 and 5.5 GHz bands. Directive antennas with a nominal gain of 19 dB are used in the measurement campaign. The height of the antennas has been selected to have the minimum possible reflection from around surfaces. Thick concrete wall, thick concrete column and tree's insertion loss are measured. It is noticed that the insertion loss increases with the increment of the operating frequency. For tress, the insertion loss for the leafless tress is 6 to 10 dB lower than the deciduous trees.

B. Taha-Ahmed, I. Alvarez Calvo, and J. L. Masa-Campos, "Materials' Insertion Loss at Three Frequency Bands," Progress In Electromagnetics Research Letters, Vol. 39, 199-205, 2013.

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