The dual-frequency printed quasi-Yagi antenna with a monopole driver was designed. The S11 parameter at 1.67 and 2.12 GHz is as low as −28 and −23 dB, respectively. The antenna directivity is 3.9 and 6.1 dB at 1.67 and 2.12 GHz, respectively. The total antenna length is 40 mm.
- monopole driver
- quasi-Yagi antenna