GCT Semiconductor shares surge 27.48% after-hours after announcing 5G/4G chipset licensing deal with major satellite provider.

GCT Semiconductor surged 27.48% in after-hours trading following the announcement of a licensing agreement with a leading satellite communications provider to integrate its 5G and 4G chipsets into the partner’s user equipment. The deal, highlighted in multiple reports, enables global connectivity via satellite and terrestrial networks and establishes a pathway for future chipset sales, including direct-to-satellite applications using GCT’s newly released 5G technology. Shipments of the 5G products are expected to begin in the second half of 2026. CEO John Schlaefer emphasized the collaboration’s role in advancing unified terrestrial-satellite networks, positioning GCT at the forefront of emerging 5G-to-space infrastructure. The agreement underscores the company’s expertise in non-terrestrial connectivity and its potential to outperform existing solutions, driving investor optimism about expanded market opportunities and revenue growth.