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Comparison of the advantages and disadvantages of wireless headphones, infrared, Bluetooth and 2.4GHZ

2018-09-18

There are five wireless headset technologies on the market today, namely infrared, 27MHz radio, Bluetooth, FM and 2.4GHz digital high-speed RF technology.It can be seen that 2.4G wireless technology has the most mature market conditions in terms of comprehensive capability assessment.

You can listen to FM radio in a tidy car, on a leisurely bicycle, along with cheerful steps. In this highly competitive and colorful world, you can receive messages from all parties at all times. Listen to music and relax.

You can watch great TV shows in the night when you are quiet, without affecting "love you and the people you love."

You can get rid of the shackles of the cable. If you need to walk away from the glass of water, don't worry, it doesn't matter. In the gap you walk away, you can listen to clear dialogues and beautiful melodies. Because the sound signal of this earphone can penetrate walls, objects and other substances, there is no angle limit.

Wireless headsets have long been related products. The maturity of 2.4G technology has also promoted product development. However, due to the lack of wireless microphones, people can only use wired microphones to cooperate with wireless "listening". The portability alone cannot reflect the advantages of Wireless Headphones.

Although there are many popular technologies such as infrared, Bluetooth, and 27MHz RF for wireless signal transmission, it seems that the most stable, reliable, and practical is 2.4GHz.

Why is 2.4GHz audio technology a fragrant?

In wireless audio technology, many wireless headset products on the market have 2.4GHz wireless technology as a selling point, which is also a transformation branch of digital peripherals. 2.4GHz refers to a working frequency band. 2.4GHz ISM (Industry Science Medicine) is a wireless frequency band widely used in the world. Bluetooth technology works in this frequency band, and it can work in the 2.4GHz frequency band to obtain a larger use range. And stronger anti-interference ability. And popularly speaking, 2.4GHz wireless technology requires very low power consumption, and is not as expensive as Bluetooth, which can effectively reduce production costs. Bluetooth is typically priced at more than $5 due to the expense of microprocessor and protocol licenses required.

In fact, 2.4GHz as an international common frequency band, the application technology derived from it is quite rich. In addition to the so-called 2.4G applications, our commonly used WiFi and Bluetooth technologies also work within the 2.4Ghz frequency range, but the protocols for each work are different. Compared to the huge standard protocol system of WiFi and Bluetooth, 2.4G works and data packages are more concise and easy to use. In fact, through the application of frequency-pairing and auto-tuning technologies, the confidentiality and anti-interference of 2.4G applications are no worse than those based on Bluetooth protocols.

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