When choosing an WIFI antenna, attention should be paid to whether the joint of the antenna matches the joint of the connected equipment. SMA and TNC are commonly used in WIFI. WIFI antenna mainly used in routers, but 2.4G wireless monitoring equipment can also enhance the effect of wireless signal transmission if the joints match. The antenna base is magnetic and can be absorbed on the surface of metal objects, making the antenna receive more plug-and-play, without any additional conditions. However, the gain and orientation of the antenna are also the key points to be considered.