<ul><li>Murata and Rohde & Schwarz have developed the world's first Voice over Narrowband Non-Terrestrial Network (NB-NTN) testbed.</li><li>The testbed, presented at Mobile World Congress 2025 in Barcelona, sets a new standard for satellite-based communications.</li><li>The technology addresses critical communication needs in areas without terrestrial network access.</li><li>The demonstration showcases the potential of enhanced Narrowband NTN service with push-to-talk voice capabilities.</li></ul>

Murata and Rohde & Schwarz present the world’s first Voice over Narrowband NTN testbed at MWC Barcelona 2025

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