Dual -frenquency high -gain antenna with helical structure

The utility model discloses a dual -frenquency high -gain antenna with helical structure passes a first radiation subassembly with a signal line of a port to connecting this first radiation subassembly, and connecting second radiation subassembly, this second radiation subassembly is connected according to preface polyphone first spiral radiation subassembly, second spiral radiation subassembly and third spiral radiation subassembly and electricity, through this first radiation subassembly, this second radiation subassembly and this first spiral radiation subassembly constitute the high frequency antenna, this first radiation subassembly, this second radiation subassembly and this are first to constitute the low -frequency antenna to third spiral radiation subassembly, through this first spiral extrusion structure to third spiral radiation subassembly, realize closing low -frequency antenna and high frequency sky line knot in order to reach the radio signal radiation pattern stack, andsatisfy radio signal tra