The full name of mobile 4G network access card is China Mobile 4G wireless network access card. The wireless access card refers to the wireless wide area network card, which is connected to the wireless wide area network.The role and function of the wireless network card is equivalent to the wired modem, which is commonly known as the "cat". The wireless network card can connect to the Internet using USIM or SIM card anywhere with wireless phone signal coverage.The role and function of the wireless network card is like a wireless modem.The common interface types include PCMCIA, USB, CF/SD, E, T, etc.
Generally, they are annual packages. They are not calculated by hour or month. They are all paid for one year at a time, but there are different packages.The project includes traffic, time, roaming, etc. The cards with unlimited traffic, unlimited time and nationwide roaming are the most expensive, but they are not needed by ordinary people.Wireless Internet consumes very little traffic, and it will never exceed 10G in a month. As for roaming, the general card is roaming within the province, as long as it does not leave the province, and there is also a small amount of traffic outside the province, which is generally enough.
