● With the development of the communication industry, all kinds of communication d......

● The communication antenna has been used outdoors for a long time, and sometimes ......

● Strictly speaking, there are two ways: 2G and 3G; one is the earlier 2G model te......

● In mobile data devices, the antenna is the only component that "touches&quo......

● The vehicle antenna refers to the mobile communication antenna designed and inst......

● Local communication / communication with amateur relay stations in urban areas, ......