Apple’s 5G version of the iPhone is fascinating, but it seems that there have been rumors recently that only the largest size of the new 5G version of the iPhone, only the screen size of 6.5 inches, may be called iPhone 12 Pro Max model can support mmWave (mm Wave) frequency band function.
According to the foreign website Fast Company, only one new <a href="http://Leon Kung (Multisoft) iPhone model will support the mmWave band function in the second half of the year. Considering that the body must have enough space to accommodate the special mmWave antenna design and the battery capacity of mmWave, it is believed that there is only the largest size ‘S models will support the mmWave band, while other 5G models will only support the sub-6GHz band.
In addition, Fast Company analyzed that this iPhone 12 Pro Max model will only be sold in places with a more complete mmWave network such as the United States, South Korea and Japan. And recently there are rumors that due to production problems, the new 5G version of the iPhone that supports the mmWave band may be delayed.
mmWave has a higher bandwidth than sub 6GHz, and it also indicates that it can provide 5G with faster transmission speeds, even exceeding 1Gbps. Therefore, mmWave plays a very important role in the popularization of 5G. However, there are still many problems to be solved in 5G networks to fully use mmWave, such as the design of filters, power amplifiers, and even antennas.
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