Ref.

Antenna size

BW (GHz)

Gain (dBi)

3 dB BW (degree ˚)

[2]

34.6 × 21.5

3.28 - 6.95

4.5

78˚

[3]

25 × 25

3.1 - 10

-

60˚

[4]

40 × 26

3.1 - 10.6

-

-

[5]

23 × 29

4.5 - 10

5

-

[6]

19 × 19

2 - 8

-

80˚

[7]

30 × 30

0.5 - 2

6.3

78˚

[8]

42.8 × 42.8

3.1 - 10.6

5.5

-

[9]

19.3 × 27.7

3.05 - 15

3.5

90˚

[10]

28 × 32

5.3 - 8.5

5

70˚

[11]

16 × 21

3.4 - 12.5

4.5

85˚

[12]

75 × 75

1.15 - 4.4

2.9

60˚