What Wifi Antenna do I need for parking lots, supermarkets, and stations? If you want to choose a suitable Wifi Antenna, first pay attention to the connector of Wifi Antenna for PC and the connector of the connected device. Generally, the device side mainly uses SMA and TNC, so the correspondingWifi Antenna for Routershould also be used. SMA/TNC. To be used on routers, Wfi Antenna outdoor is mainly divided into two categories: built-in antenna and external antenna: external Wifi Antenna Indooris generally used in wireless routers, and built-in WiFi antenna is mainly used in mobile phones, mobile computers and other products The built-in wifi antennas are divided into two categories: there are also relatively large antennas that can enhance the WiFi signal of the router in a larger range. These are mainly used in large densely populated places, such as supermarkets, stations, playgrounds, parking lots, etc.