| 摘要 |
A substance structure of a dual-band dipole antenna, it consists of: an internal conductor, which is formed by a lead coated with an internal insulation layer; an external conductor, which is formed by a grounding layer coated or coiled to the said internal insulation layer, and an external insulation layer coated to the grounding layer; and a metal tube with a tip connected with the external conductor; thus, by means of the exposed end section of the internal conductor that is diverged into two branches, a dual-band dipole antenna is accomplished.
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