Research Article
Miniaturized Dual-Band Antenna for GSM1800, WLAN, and Sub-6 GHz 5G Portable Mobile Devices
Table 3
Proposed OBS antenna and other works in the literature Comparative Analysis.
| References | Size | Substrate | FREQ (GHz) | Imp. Bandwidth (MHz) | Gain |
| [19] | 0.2 × 0.18 | FR4 | 2.48/3.49 | 340/390 | 2.4/3.5 (dB) | [20] | 0.23 × 0.18 | FR4 | 2.49/4.2/7.4 | 300/1000/800 | 2.92/4.13/5.85 (dB) | [7] | 0.25 × 0.10 | RT5880 | 2.45/2.97/3.52/4.07/4.65/5.71/6.67 | 30/10/180/130/60/1970/1970 | 2.3/2.61/2.44/2.46/3.21/3.14/3.15 (dBi) | [1] | 0.33 × 0.33 | FR4 | 2.5/4.2/5.5/6.8 | 70/90/350/710 | 0.7/0.5/1.8/4.3 (dBi) | [9] | 0.21 × 0.16 | FR4 | 2.5/3.5/5.5 | 760/964/800 | 1.5/1.7/3.05 (dBi) | [11] | 0.19 × 0.15 | Polyamide | 2.4/3.8/5.6 | 140/240/370 | 2.26/3.14/3.73 (dBi) | This work | 0.14 × 0.07 | RT5880 | 1.85/5.9 | 190/2290 | 4.1/3.95+ (dB) |
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center frequency; +average gain. |