WiFi和3G技术之间的区别

1. WifI技术：
无线保真(WiFi)是一种无线通信技术。它用于局域网。 Wifi以2.4 GHz和5 GHz无线电频率传输数据，与3G网络相比，该数据更稳定，更高。 Wifi是一种较便宜的技术，可以通过在具有无线适配器的任何计算机上安装无线LAN来轻松安装。它可以用于连接游戏机，打印机，计算机等。

2. 3G技术：
第三代(3G)是由服务提供商控制的技术。它是基于广域网的应用程序。与Wifi相比，它是更昂贵的技术，并且只能由运营商公司安装。它比WiFi网络更可靠，覆盖范围更大。与Wifi不同，连接3G网络需要付费。

WiFi和3G技术之间的区别：

S.NO	WIFI Technology	3G Technology
1.	Wifi router controls the wifi access.	Whereas it is controlled by service provider.
2.	Wifi provides speeds of around 11 Mbps to 55 Mbps.	While 3G provides speeds of around 40 kbps to 70 kbps.
3.	WiFi technology is less expensive than 3G technology in terms of usage.	Whereas it is expensive comparatively.
4.	WiFi is for Local area network based applications.	Whereas 3G is for Wide area network based application.
5.	Wifi transmits data at 2.4 GHz and 5 GHz radio frequencies.	Whereas 3G transmits data at low frequencies ranging from 850 MHz to 1900 MHz.
6.	Wifi frequencies are more stable than 3G frequencies.	Whereas 3G frequency is comparatively less stable.
7.	Wifi can be easily installed by installing a wireless LAN on any computer that has a wireless adapter.	Whereas it can only be installed by carrier companies.
8.	WiFi network is less reliable as compared to 3G network.	Whereas it is more reliable as compared to Wifi networks.
9.	Often there is no need to pay to connect a WiFi network.	Whereas there is need to pay to connect 3G network.
10.	It is more used now-a-days.	While 4G has replaced the 3G network.