Table 13 A comparison between proposed metamaterial design and previous studies.

From: Reduction of 5G cellular network radiation in wireless mobile phone using an asymmetric square shaped passive metamaterial design

Referencess

Dimension (mm)

Characteristic

Resonance frequencies

Band

Reduction (%)

34

AC: 44.4 × 33.3

Double-negative

900 and 1800 MHz

Double

1 g: 43 and 44

35

AC: 187 × 117

Double-negative

2100 MHz

Single

1 g: 35.93

36

AC: 54.72 × 39

Double-negative

900 and 1800 MHz

Double

1 g: 40 and 49

37

AC: 36 × 36

Double-negative

900 and 1800 MHz

Double

1 g: 14.23 and 15.3

Proposed

AC: 14 × 28

Left-handed

1.246, 3.052, 3.794, and 4.858 GHz

Quadruple

1 g: 26.22 22.56, 61.16 and 8.45

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