"The achievement was revealed at the recent CES 2026, using commercial modem silicon, with real satellite-to-satellite mobility, leading to a standard 5G phone said to stay connected while switching between satellites, using the new 3GPP Release 19 n252 band, as defined by the Third Generation Partnership Project (3GPP) under Release 1. The demo also represented the public validation of n252 in an NTN system, a band expected to be adopted by next-generation low Earth orbit (LEO) constellations."
"With n252 now validated alongside n255 and n256, the firms say all major NR-NTN FR1 bands are proven, and they believe they have cleared a major technical barrier to commercial roll-out. With the addition of n252 alongside earlier NTN demonstrations in n255 and n256, all major NR-NTN FR1 bands have now been validated end-to-end. This consolidation of band coverage is critical for enabling modem vendors, satellite operators and device manufacturers to evaluate cross-band performance and mobility holistically as they prepare for commercial NTN services."
Keysight and Samsung achieved an end-to-end live new radio non-terrestrial networks (NR-NTN) connection in band n252 using Samsung's next-generation modem chipset. Reliable global connectivity is increasingly required for consumers, vehicles, IoT devices and critical communications, driving operator, device manufacturer and satellite provider investment in NTN technologies. The demonstration at CES 2026 used commercial modem silicon and real satellite-to-satellite mobility, showing a standard 5G phone staying connected while switching between satellites under 3GPP Release 19 n252 specifications. The demo publicly validated n252 in an NTN system expected to be adopted by next-generation LEO constellations. With n252 validated alongside n255 and n256, all major NR-NTN FR1 bands are proven, enabling holistic evaluation of cross-band performance and mobility for commercial rollout preparation.
Read at ComputerWeekly.com
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