Research Article
Dual Zeroth-Order Resonant USB Dongle Antennas for 4G MIMO Wireless Communications
Table 2
Measured total efficiency of antenna 1 and antenna 2.
| Frequency (MHz) | 768 | 843 | 920 | 2500 | 2700 | Efficiency of antenna 1 (%) | 33 | 41 | 44 | 38 | 52 | Efficiency of antenna 2 (%) | 21 | 40 | 43 | 41 | 63 |
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