Metamaterial antennas are a type of antenna that utilize metamaterials to achieve unique electromagnetic properties not found in conventional materials. Metamaterials are artificially structured materials engineered to have specific characteristics, often manipulating electromagnetic waves in novel ways. Key features of metamaterial antennas include: 1. **Enhanced Performance**: Metamaterials can be designed to achieve high gain, compact size, and improved bandwidth compared to traditional antennas. This is particularly valuable for applications requiring miniaturization and efficiency.
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