As we all know, the old card is 2dbi standardantenna, even if the power is 800mw, but also affect the use effect.
众所周知，老卡王标配的是2dbi天线，即便功率是800 MW，但也影响使用效果。
2
This small, compact, non-clamshell design soon became standard for many Nokia handsets; you rarely see an external cell phone antenna these days.
结构紧凑的直板设计很快成为许多诺基亚手机的标准，今天你很难看到一台外接天线的手机。
3
The standing wave and the characteristic of the radiated power of this printed antenna fed by the standard coaxial line are analyzed by the numerical method.