| 摘要 |
A multiband antenna includes a feed end, a grounding end, a first radiating arm, a connecting portion, a second radiating arm and a third radiating arm. The feed end and the grounding end are connected to the first radiating arm to form an F-shaped antenna, and obtain a first resonance frequency. The second radiating arm generates a coupling effect with the first radiating arm, and obtains a second resonance frequency. The third radiating arm generates a coupling effect with the second radiating arm, and obtains a third resonance frequency.
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