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At MWC showed a replacement for Wi Fi which transmits data At MWC showed a replacement for Wi Fi which transmits data

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At MWC showed a replacement for Wi-Fi, which transmits data using light

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Until now, Light Fidelity or Li-Fi technology, which involves data transmission using light, remains a technological exotic. However, apparently, it may soon become mainstream and appear in smartphones and PCs.

At MWC showed a replacement for Wi-Fi, which transmits data using light

Generated by the Midjourney neural network

At MWC 2023, the pureLiFi startup showed a special Light Antenna One antenna that can be built into smartphones. This will allow data to be transmitted at high speeds in the visible light spectrum using LED lamps.

As noted, the new antenna is compatible with the future IEEE 802.11bb standard, which will allow it to be integrated into existing 802.11 equipment. At the same time, the samples presented at MWC so far look bulky, but the company promises to reduce the size.

The company also demonstrated a 5G mmWave repeater that converts the signal to Li-Fi and allows data to be transmitted at high speed.

Note that Li-Fi has both advantages in the form of high data transfer rates and disadvantages. The main one is the need for direct visibility between the transmitter and receiver, because the data is transmitted in the form of a light flux, and not radio waves, which means that a wall or other similar obstacle will interfere with the transmission.

It is not yet reported when the first commercial versions of such systems will appear.

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Car News

Hyundai Creta N Line 2024 sports car declassified

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Hyundai Creta N Line 2024 sports car declassified

The sportiest version of the recently updated Hyundai Creta crossover has been declassified in India: orders for the Hyundai Creta N Line 2024 in the local market are already being accepted, but the official premiere will take place on March 11.

Hyundai Creta N Line 2024 sports car declassified

Judging by the photo, the crossover received more aggressive bumpers, a different radiator grille, and red accents on the body and interior design. Wheels will be 18 inches. According to Autocar India, the car will be offered in two trim levels: base and top-end. Accordingly, the first will have a manual gearbox, the second will have a robotic one. But there is only one engine – the most powerful: a 1.5-liter gasoline turbo engine with 160 hp.

Hyundai Creta N Line 2024 sports car declassified

Hyundai Creta N Line 2024 sports car declassified

Prices will be announced on the day of the premiere, but it is already clear that the Creta N Line will be the most expensive in the lineup.

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How much does it cost to repair Xiaomi 14 Ultra? The official price list for spare parts has been published

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How much does it cost to repair Xiaomi 14 Ultra

Xiaomi 14 Ultra has just gone on sale in China, but Xiaomi has already published the official price list for spare parts so that users understand how much it will cost to repair the device out of warranty.

How much does it cost to repair Xiaomi 14 Ultra?  The official price list for spare parts has been published

Despite the fact that Xiaomi 14 Ultra is currently the pinnacle of the Chinese company’s smartphone manufacturing, repair prices are approximately at the level of other flagships. Replacing the motherboard will cost the most – from 380 to 420 dollars, depending on the amount of memory soldered on it. Out-of-warranty replacement of the screen will cost $190, battery – $25, back cover – $40. Replacing the front camera is $10, speaker replacement is $5.

As for the camera, this is interesting. Replacing the main module with an inch Sony LYT-900 image sensor will cost $140! Replacement of a module with an ultra-wide-angle lens is $70, replacement of a module with a telephoto lens is only $25. And this is quite strange, since these modules use the same Sony IMX858 sensors, and the module with a telephoto lens is more complex due to the presence of an OIS system.

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Components

A mini PC weighing only 660 grams with an 8-core Ryzen 7 7840HS, 32 GB of RAM, a built-in screen and a fingerprint scanner – for $515. Tianbao GEM12 introduced

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A mini PC weighing only 660 grams with an 8 core

An atypical mini-computer went on sale on the Chinese marketplace JD.com. The creators of the device, called Tianbao GEM12, integrated a small screen and even a fingerprint scanner into the body, which can work as part of the Windows Hello biometric identification function.

A mini PC weighing only 660 grams with an 8-core Ryzen 7 7840HS, 32 GB of RAM, a built-in screen and a fingerprint scanner - for $515.  Tianbao GEM12 introduced

The hardware basis of Tianbao GEM12 is an 8-core 16-thread Ryzen 7 7840HS processor with a Radeon 780M graphics core. The device is sold as a DIY kit for $350 or as a pre-configured system: 16GB/512GB for $430 and 32GB/1TB for $515.

A mini PC weighing only 660 grams with an 8-core Ryzen 7 7840HS, 32 GB of RAM, a built-in screen and a fingerprint scanner - for $515.  Tianbao GEM12 introduced

A mini PC weighing only 660 grams with an 8-core Ryzen 7 7840HS, 32 GB of RAM, a built-in screen and a fingerprint scanner - for $515.  Tianbao GEM12 introduced

The mini-PC cooling system has two heat pipes and one fan. The screen is used to display the time, album covers when playing music, and processor load. There is an integrated 2.5 Gbps wired Ethernet adapter with two RJ-45 ports and a module that implements Wi-Fi 6 and Bluetooth 5.2 communications.

A mini PC weighing only 660 grams with an 8-core Ryzen 7 7840HS, 32 GB of RAM, a built-in screen and a fingerprint scanner - for $515.  Tianbao GEM12 introduced

Dimensions of the computer: 130 x 130 x 60 mm, weight: 660 grams.

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