A Dual-Band Base Station Antenna with a Split Ring for Sub-6 GHz Communication

Table 1

Dimensions of the proposed antenna.

Parameter	Value (mm)
R1	26.5
R4	18.0
L2	32.0
L5	4.0
L8	7.9
L11	3.0
	15.2
	3.2
	7.5
R2	15.6
gap	4.0
L3	7.1
L6	9.0
L9	2.2
L12	0.6
	12.5
	2.5
	1.0
R3	22.0
L1	60.0
L4	1.0
L7	1.2
L10	2.2
	60.0
	1.6
	4.8