08/07/2022
【THE WiFi 2.4GHz and 5GHz YOU SHOULD KNOW】
You may have seen characters such as “2.4GHz” and “5GHz” from the product specifications while buying electronic products with WiFi function? Do you know what the 2.4GHz and 5GHz are?
This week let we learn about what are WIFI 2.4GHz and 5GHz.
There are a lot of standards for WiFi, and among them there is a standard called IEEE 802.11ac, which can run the data transfer through different frequency bands. 2.4GHz and 5GHz frequency bands are the most common frequency supported with electronic products with wireless function.
●Features of 2.4 GHz frequency
Advantages: The 2.4 GHz transmits have a longer range than 5 GHz, being strong to against obstacles such as walls and floors, and easily pass the WiFi signal to another room, upper floor or lower floor.
Disadvantage: The 2.4 GHz transmits have a slower speed than 5 GHz. Due to the lower cost, not only WiFi products, there are a lot of products, such as electronic products and Bluetooth products, also use the 2.4GHz band, so the signal becomes overcrowded and interference.
●Features of 5 GHz frequency
Advantages: The 5 GHz transmits have a faster speed than 2.4 GHz, having less signal overcrowded and interference, the communication can be more stable.
Disadvantage: The 5 GHz transmits have a shorter range than 2.4 GHz so the signal range is hard to be as wide as 2.4 GHz’s. The cost is higher than 2.4 GHz, so there are fewer products can support 5 GHz frequency.
However, there are more and more situation to switch the connection between 2.4 GHz and 5 GHz frequency in order to maintain a stable communication state, so that there are also more products equipped with dual-band router that can support connect to the 2.4 GHz and 5 GHz frequency at the same time.
So, make sure the WiFi function you need before buying them!
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