The difference between single-band and dual-band WiFi
The difference between single-band and dual-band wireless is mainly
concentrated in signal range, transmission power, stability and
anti-interference. Dual-band antennas are superior to single-band antennas in
signal stability and transmission speed.
Single-band has strong anti-attenuation ability in indoor environments, but
its disadvantage is that many devices work in the 2.4GHz band, so there is a lot
of interference and the stability is slightly insufficient. Compared with
single-band, dual-band works in the 2.4GHz and 5GHz bands, has stronger
anti-interference ability, and the signal is naturally more stable. The wireless
band working in two modes is definitely more stable and reliable than a single
channel.
Dual-band antenna works in the 2.4GHz and 5GHz bands, which makes it have
stronger anti-interference ability, thus providing a more stable signal. The
characteristics of the 5GHz band are faster signal transmission speed and less
susceptible to interference. Although its signal penetration is weaker, the
2.4GHz band performs better in transmission distance and anti-interference,
especially in the case of walls or other obstacles, the penetration advantage of
2.4GHz is more obvious.
In addition, dual-band antennas can significantly increase wireless rates
by using MIMO technology, such as 2x2MIMO or 4x4MIMO. For example, in the 2.4GHz
band, the wireless rate can reach up to 600Mbps, while in the 5GHz band, the
wireless rate can reach up to 1730Mbps, which is much higher than the
transmission rate of a single-band antenna.
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