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Samsung Unveils Exynos 5400 5G Modem with Dual-Satellite Connectivity

Samsung has officially launched the Exynos 5400 5G modem, a groundbreaking chip that supports both Sub-6GHz and mmWave 5G networks, as well as dual-satellite connectivity for two-way communication via non-terrestrial networks (NTN). This innovative feature enables devices equipped with the Exynos 5400 modem to send and receive messages even in remote areas without cellular coverage, ensuring seamless connectivity regardless of location.

The Exynos 5400 modem boasts an impressive maximum downlink speed of 14.79 Gbps, making it the fastest modem in Samsung’s Exynos series to date. This remarkable speed is achieved through a combination of factors, including support for dual NR connection and the utilization of five frequency carriers (three 100MHz carriers and two 40MHz carriers) along with 1024QAM encoding, all within the FR1 band.

Samsung claims that the Exynos 5400 is the world’s first modem to achieve a theoretical downlink speed of 11.2 Gbps using only the FR1 band, highlighting the modem’s exceptional performance and efficiency. Additionally, the modem is manufactured using Samsung’s 4nm EUV lithography, making it the most power-efficient 5G modem currently available.

While the Exynos 5400 modem powers the Galaxy S24 and Galaxy S24+ smartphones, Samsung has not yet enabled the NTN satellite connectivity capabilities on these devices. Consequently, these flagship phones lack the ability to send emergency messages or text messages via satellite in areas without cellular coverage.

 

Key Points:

Samsung Exynos 5400 5G modem supports both Sub-6GHz and mmWave 5G networks.
Dual-satellite connectivity enables two-way communication via NTN satellites.
Maximum downlink speed of 14.79 Gbps.
World’s first modem to achieve 11.2 Gbps downlink speed using only the FR1 band.
Manufactured using 4nm EUV lithography for enhanced power efficiency.
Currently available in Galaxy S24 and Galaxy S24+ smartphones.
NTN satellite connectivity not yet enabled on Galaxy S24 and S24+.

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