Research Article
Design of Miniaturized Dual-Mode Antenna for Handset Terminal Communication
Table 4
Antenna efficiency and gain at different frequencies.
| | Frequency (MHz) | 400 | 520 | 640 | 1980 | 1995 | 2010 | 2170 | 2185 | 2200 | | Antenna efficiency | 68.6% | 77.4% | 81.7% | 63.8% | 64.1% | 64.7% | 68.2% | 68.6% | 70.5% | | Antenna gain (dBi) | 0.77 | 1.09 | 1.53 | 3.15 | 3.21 | 3.23 | 3.14 | 3.06 | 2.95 |
|
|
