Guide for Choosing WiFi Antenna Frequency Band
When choosing a WiFi antenna, frequency is a key consideration. Currently,
WiFi signals are mainly transmitted in two common frequency bands: 2.4GHz and
5GHz. The following is a detailed comparison and selection suggestions for
you.
2.4GHz Frequency Band
Advantages
Wide coverage: Due to the low frequency, the signal attenuates little when
propagating in the air or through obstacles, so it can spread farther.
Good wall-penetrating performance: Compared with 5GHz signals, it is easier
to penetrate walls and other obstacles.
Wide adaptability: Almost all devices with wireless functions can be
compatible with this frequency band.
Disadvantages
Channel congestion: A large number of household appliances and wireless
devices use this frequency band, which is prone to interference and affects
network speed and stability.
5GHz Frequency Band
Advantages
Wide signal bandwidth: It can support higher wireless rates, with a
theoretical maximum of several Gbps.
Less interference: The wireless environment is relatively clean, and the
network stability is stronger.
Disadvantages
Limited coverage distance: Due to the high frequency, the signal attenuates
greatly during propagation, and the coverage range is relatively small.
Poor wall-penetrating performance: It has weak ability to penetrate walls
and other obstacles.
Limited device support: Although more and more devices are beginning to
support it, some devices are still incompatible.
Selection Suggestions
If you want your devices to have good signal coverage in every room of your
home, and your devices or routers support the 2.4GHz frequency band, then the
2.4GHz antenna is a better choice.
If your device needs high-speed data transmission, the interference in the
5GHz frequency band at your location is small, and both your device and router
support the 5GHz frequency band, then the 5GHz antenna is more suitable.
In short, when choosing the WiFi antenna frequency band, it is necessary to
make a decision based on specific needs and usage environment.
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