How to use Wireless Internet card

Source: Internet
Author: User

Wireless Internet card refers to wireless WAN card, connected to the Wireless wide area network, such as TD-SCDMA, China Telecom CDMA2000, CDMA 1X and the WCDMA network. The function and function of wireless Internet card is equivalent to wired modem, which is called "cat". It can be connected to the Internet using a Usim or SIM card anywhere it has a wireless phone signal coverage. The function and function of wireless Internet card is like a wireless modem. Its common interface type also has PCMCIA, USB, Cf/sd,e,t and so on.

Wireless Internet card is a widely used network of wireless communication networks. At present, China Unicom's WCDMA, China Mobile Edge, TD-SCDMA and Chinese telecom CDMA (1X) Four kinds of network system, so the common wireless card includes WCDMA wireless Internet card, CDMA wireless network card and Edge, TD-SCDMA Wireless card four categories.

The key elements of wireless internet card purchase:

First, the interface of choice: PCMCIA most suitable

Second, antenna selection: The most ideal of telescopic

Third, focus on transmission stability and thermal performance

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