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.

Base site lead-acid battery protector system is the smart resonance pulse technique for 6V/36V cell battery or 6V/36V battery pack in series with 3PCS 2V/12V cells. It is working as a new generation of high-tech products for daily battery maintenance in telecom base site or electrical power system.
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There will be individual differences in State-Of-Capacity (SOC) and internal resistance (IR Value) of batteries after used for a certain number of years. It is called the battery unbalancing. Due to the total floating charge voltage of the rectifier remains unchanged and keeps constant, when the battery pack is in floating charging status, the floating voltage of the cells with larger internal resistance will be higher than that of the normal battery, resulting in the normal battery's floating voltage is lower. Batteries floating charged in this unbalancing way for a long time will cause the higher voltage cells seriously water dehydrated, and the lower voltage cell is in a state of under charged. This way of vicious spiral formed will accelerate the base site batteries premature failure.
Our protector system set a equalized charging function. If the terminal floating voltage of the battery system is higher than the standard value of protector system designed, the system automatically and smartly switches to the over-voltage balanced working state. When the voltage drops lower than standard value, it automatically changes to smart pulse maintaining state. The decrease of battery internal resistance and the improvement of the battery equalization lead to the battery lifespan prolonged.

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Shenzhen Daceen Technology Co., Ltd. ,