| CPC H01Q 13/203 (2013.01) [H01P 3/06 (2013.01)] | 8 Claims | 

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               1. A wide beam radiation leakage coaxial cable, comprising an inner conductor, an insulating layer, an outer conductor and a sheath coaxially arranged in sequence, wherein at least two columns of slot groups are provided on the outer conductor, wherein the at least two columns of slot groups are distributed at different angles in circumferential direction of the outer conductor, and wherein an angle between two adjacent columns of the at least two columns of slot groups is α=γ/n, where γ is a target radiation width, n is a number of columns of slot groups, wherein each column of the slot groups further comprises a plurality of slot arrays which are periodically arranged in axial direction of the outer conductor, wherein a pitch of each column of slot groups is the same, wherein a pitch phase of each column of slot groups on a same leakage cable section is completely consistent, and wherein each slot array further comprises a plurality of slots. 
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