- Samsung has officially detailed the Exynos 5400 modem, its first with two-way satellite connectivity.
- The Exynos 5400 is used in the Exynos variants of the Samsung Galaxy S24 and Galaxy S24 Plus.
- We also expect the modem to be used in the upcoming Google Pixel 9 series.
The Exynos 5400 5G modem is built on a 4nm EUV process. It supports 4×4 MIMO for sub-6GHz and 2×2 MIMO for mmWave.
The Exynos 5400 is the first Samsung modem that supports both NB-IoT NTN and NR NTN for connectivity in remote areas. NB-IoT NTN allows you to send and receive messages by connecting to high-earth satellites, while NR NTN allows 5G devices to connect to low-Earth orbit (LEO) satellites for better transmission of a large amount of data.
A Samsung Semiconductor spokesperson confirmed to us that the Exynos 5400 IP was used in the Exynos Galaxy S24 and Galaxy S24 Plus, which sport the Exynos 2400 processor. However, Samsung Electronics has not mentioned two-way satellite connectivity as a feature on the Galaxy S24 series in any form. Unlike the iPhone 14 and iPhone 15 series, you cannot send emergency messages without cellular connectivity (through satellite connectivity) on the S24 series in any form, at least not yet.
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Samsung Galaxy S24 Plus
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