| 摘要 |
PURPOSE: An external antenna is provided to improve space efficiency by forming a serial passive device and a parallel passive device in a multiband formation unit. CONSTITUTION: An antenna unit(102) transceives a signal. A multiband formation unit(104) includes a passive device and a parallel passive device. The multiband formation unit is inserted into the antenna unit. The multiband formation unit forms a multiband. The multiband formation unit includes a first structure and a second structure. |
