How Do I Choose the Best Network Card?

The wireless network card refers to a wireless WAN card and is connected to the wireless WAN. The function and function of the wireless network card is equivalent to a wired modem, which is what we commonly call a "cat". It can connect to the Internet using a USIM or SIM card wherever there is wireless phone signal coverage. The function and function of the wireless network card is like a wireless modem (MODEM). Its common interface types also include PCMCIA, USB, CF / SD, E, T and so on. In April 2013, the Ministry of Industry and Information Technology promulgated the "Regulations on the Registration of Real Identity Information of Telephone Users" (draft for comments) and "Provisions on the Protection of Personal Information of Telecommunications and Internet Users (draft for comments)". The user performs real-name registration. ^[1] This is the first time that the Ministry of Industry and Information Technology has promoted the real-name system of mobile phones in 2010. It is the first time that legislative form is adopted to include telephone users in the real-name system.

Wireless network card

A wireless network card is a wireless WAN card that connects to

GPRS (General Packet Radio Service

Wireless card is mainly used in notebooks and PAD (

Insert the plug-and-play wireless network card into the laptop, and windows XP can recognize and install the driver. Next configure ap, ap is divided into bands

First, the choice of interface: PCMCIA is the most suitable

Like many other peripherals, the purchase of wireless network cards also needs to be considered in terms of interface selection. The wireless internet card mainly uses PCMCIA, CF and USB interfaces. In addition, there are very few products using SD interface or Express card interface. PCMCIA is supported by almost all laptops, and its interface

Wireless Internet uses CDMA2000, or EVDO,

The mobile TD-SCDMA network card has a maximum theoretical speed of 384Kbps, which is the same speed as the 2.5G era EDGE wireless network card. As a 3G network card, users will definitely not accept this speed. Fortunately, Mobile also saw this shortcoming. HSDPA technology was introduced in the second phase of TD-SCDMA construction to increase the maximum theoretical speed to 2.2Mbps, which can be said to have improved qualitatively. ^[11]

The Ministry of Industry and Information Technology announced on April 10, 2013 the "Regulations on the Registration of Real Identity Information of Telephone Users" (draft for comments) and "Provisions on the Protection of Personal Information of Telecommunications and Internet Users (draft for comments)". Card users perform real-name registration. This is the first time that the Ministry of Industry and Information Technology of the People's Republic of China has promoted the real-name system for mobile phones in 2010. It is the first time that legislative forms will be used to include telephone users into the real-name system. ^[13]

Unicom internet card can be registered in different places

At present, China Unicom has started to allow prepaid wireless network card users to register with real names in business offices in different places. According to previous knowledge, when some Unicom users purchase Internet card numbers, because the traffic in a large number of Unicom packages does not distinguish whether users use them locally or in different places, some users will make purchases in different places according to preferential conditions in different regions Choice, and this move of real-name registration in different business offices will make it easier for these users to complete real-name registration. ^[14]

However, currently China Unicom's 2G, 3G, and 4G mobile phone numbers and fixed-line phone users still need to go to the home business hall, online business hall, and mobile business hall, and use their ID cards to complete the real name registration of the numbers. Aiming at the personal privacy and safety issues that users care about, China Unicom also guarantees that employees in key positions in the business hall have signed confidentiality responsibilities with the company and cannot install programs on the computers in the business hall at will. There is a special person responsible for receiving registration and storage of customer information, and the leaker company will be held legally responsible. ^[14]