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There are five kinds of wireless headset technologies on the market today, namely infrared, 27MHz wireless radio frequency, Bluetooth, frequency modulation and 2.4GHz digital high-speed radio frequency technology.
It can be seen that 2.4G wireless technology has the most mature market conditions in the assessment of comprehensive capabilities
You can listen to the FM radio in the turbulent car, on the leisurely bicycle, with the cheerful footsteps. In this fiercely competitive and colorful world, you can receive messages from all sides all the time. Listen to music and relax.
You can watch wonderful TV shows very enjoyably in the middle of the night without affecting "love you and the people you love".
You can get rid of the shackles of wire, if you need to walk away and pour a glass of water, don't worry, it doesn't matter. In the gaps you walk away, you can also hear clear dialogue and beautiful melody. Because the sound signal of this headset can penetrate materials such as walls and objects, there is no angle limit.
In fact, wireless earphones have related products for a long time. The maturity of 2.4G technology has also promoted the development of products. 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 in wireless signal transmission, it seems that the most stable, reliable, and practical is 2.4GHz.
Why is the 2.4GHz audio technology becoming a steamed bun?
In wireless audio technology, many wireless headset products on the market have 2.4GHz wireless technology as the 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 publicly used wireless frequency band worldwide. Bluetooth technology works in this frequency band. Working in the 2.4GHz frequency band can obtain a larger range of use. And stronger anti-interference ability. And in layman's terms, the power consumption required by 2.4GHz wireless technology is very low, and it is not as expensive as Bluetooth, which can effectively reduce production costs. The cost of Bluetooth due to the required microprocessor and license agreement, the solution is usually priced at more than 5 dollars.
In fact, 2.4GHz is an internationally-used frequency band, and its derived application technology is also 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 band, but the protocols for their respective operations are different. Compared with the huge standard protocol system of WiFi and Bluetooth, the working mode and data packets of 2.4G are more concise and easy to use. In fact, through the application of technologies such as frequency-to-code and automatic frequency modulation, the confidentiality and anti-interference performance of 2.4G applications are no worse than those based on Bluetooth protocols.
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