Research Article
Dual-Band Antenna/AMC Combination for RFID
Table 3
Measured gain, directivity, and radiation efficiency.
| CPW-antenna | f = 2.20 GHz | f = 5.80 GHz | G (dB) | D (dB) | (%) | G (dB) | D (dB) | (%) |
| Bow-tie | — | — | — | 2.2 | 5.4 | 48 | Bow-tie-AMC | 3.1 | 6.5 | 46 | 2.4 | 5.9 | 45 | Bow-tie-AMC metallic plate | 2.9 | 6.9 | 40 | 2.1 | 6.4 | 37 |
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