The difference between ipad air2 4g and wifi. What are the advantages of 4g?

ipad？ air2？ The difference between 4g(wifi+ cellular) version and wifi version:

1, which support different network forms.

Wifi version can only be connected to wifi network to surf the Internet.

The 4g(wifi+ Cellular) version can access the Internet not only with wifi, but also with SIM card.

2. The network systems they support are different.

4g can support not only 3G networks, but also 4G networks.

3. The price is different.

The Wifi version can't be plugged in, but the 4G version can be plugged in, so the 4G version is more expensive, but the cost performance is higher.

4G advantages:

1. First of all, with the cellular data network, iPad can completely break away from the restrictions of wireless local area network and browse the web or send and receive emails anytime and anywhere. In addition, due to the addition of a GPS positioning system in the 4G version, the iPad can also accept GPS satellite signal positioning without a data network.

Although the 2.4G iPad has added cellular data function, it still can't make phone calls or send and receive text messages, but it just borrowed iOS. 8 brand-new functions, as long as iPad users also have an iPhone with the same iCloud account, iPad can partially replace the functions of iPhone, including receiving and calling, sending and receiving iMessage and SMS messages.

Extended data:

IPadAir2 makes the network connection speed much faster than before. Its wireless network connection speed is more than twice as fast as before, reaching 866 Mbps. WLAN+ cellular mode adopts advanced technology, providing connection speed as high as 150 Mbps, which is 50% faster than the previous mode. Therefore, you can connect to the high-speed network even in an emergency.

Once you have an internet connection, it will be better to do whatever you like on the iPad. This connection is faster. IPadAir2 has advanced 802. 1 1ac wireless network connection technology, which supports? MIMO？ Function.

In the player's words, it will be endowed with extremely powerful wireless network connection ability, and the download speed can be as high as 866 Mbps.

References:

IPad Air 2_ Baidu encyclopedia