It's not always easy to tell what kind of Wi-Fi you have. There are three main types: Wireless G (also called 802.11g), N, and AC (or 802.11ac). As the numbers get higher, so does the speed at which your data can travel on your Wi-Fi network. You don't need to know what kind of Wi-Fi you have to connect your device, but it's important if you're looking to purchase devices that can't talk to each other.


Wireless G is the slowest and only supports bandwidth up to 54 Mbps. Wireless N was released in 2009 and speeds up to 300 Mbps. AC was released in 2014 and is even faster, with speeds up to 866.7 Mbps.


The maximum speed of 866.7 Mbps is based on a single stream running 40 MHz bandwidth mode in 5GHz 802.11ac. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead may lower the actual data throughput rate. Environmental factors will adversely affect the wireless signal range.


How can I tell if my device is connected to the 2.4Ghz or 5Ghz Wi-Fi?

 

On your device, open the Settings. Choose "Wi-Fi" and it should tell you what kind of Wi-Fi connection is being used in the upper-right corner under the network name. It will either say '2.4ghz' or '5ghz'.


If you want to know for sure which brand is being used, you can download a Wi-Fi analyzer app and see the frequencies of the different bands.


What are some devices that support Wireless N & AC?


Some common devices that support Wireless N are laptops made in 2008 or later, most smartphones made in 2009 or later, most tablets made in 2010 or later, most smart TVs manufactured in 2012 or later, many streaming video game consoles (such as Xbox 360), etc. Some newer devices have both Frequency Bands so they can automatically switch to the best one possible depending on conditions. If they don't have both bands then you'll need to manually switch between them.


Some common devices that support Wireless AC are any laptops made in 2012 or later, many smartphones released in 2013 or later, most tablets released in 2014 or later, several streaming video game consoles (such as Xbox One), etc.


Is WiFi Secure?


WiFi gadgets connect to the Internet and teach other devices using a broadcast signal, which makes it possible for anybody to join your network without your consent. This might slow down or expose you to risks associated with things like identity theft. However, there are several methods to make sure that your wireless home network is secure. One of the most common methods is to change your password regularly. The frequency of changing passwords has been recommended by the National Institute of Standards and Technology to be every 60 days but can vary depending on network traffic. Sometimes you may forget your Wi-Fi password or want it changed, therefore some applications make this process simple. In addition to these tips, you can also purchase a device that helps create a secure wireless connection called a Wireless Router.


What is Dual-Band WiFi?


Dual-band WiFi is available on the Wireless Gateway 2 and Wireless Gateway 3 devices from Comcast. Dual-band WiFi delivers simultaneous wireless radio band coverage to network equipment over two frequency ranges (2.4 GHz and 5 GHz). This means that you get to use one radio band at a time, depending on your location within the network to access devices. For example, if you are in the range of the 2.4Ghz radio band but out of range of the 5GHz radio band, then devices will automatically connect over the 2.4 GHz radio band which offers twice the power and speed.


The Wireless Gateway is designed with either 1 or 2 WiFi radios inside (one for each frequency range). This allows up to 400 Mbps (50% greater than Wireless N) for wireless-N capable devices like laptops and smartphones. It also provides up to 867 Mbps (25% greater than Wireless AC) for future-proofing your equipment currently supporting Wireless AC such as Smart TVs, Gaming Consoles, and streaming devices.


How does this differ from the public WiFi Hotspots out there?


Comcast's Dual-Band Wifi is a private in-home wireless network solution, which means you will not see a public network name when in range of a Wireless Gateway device. Your Wi-Fi connection can be shared with 10+ devices in your home without any security concerns or unsecured WiFi hotspots that could expose personal information through insecure networks. Comcast offers free antivirus software that protects against virus and spyware attacks to ensure your devices are safe at all times while online.


Conclusion


Comcast is offering a very fast Dual-Band WiFi with speeds up to 400 Mbps (50% faster than Wireless N) for wireless-N-capable devices like laptops and smartphones. It also provides up to 867 Mbps (25% faster than Wireless AC) for future-proofing your equipment currently supporting Wireless AC such as Smart TVs, Gaming Consoles, and streaming devices. Comcast also offers secure, free antivirus software that protects against virus and spyware attacks on all of your computers and smart mobile devices anytime you are connected to the Internet. There is no additional installation or modem rental fee required as this is already included in your monthly service.