EN 300 392-2 - V2.4.1 - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air Interface (AI)
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ETSI launches new radio interface for IoT | Critical Communications World | 23 - 25 May 2023 | Helsinki Expo and Convention Centre
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ETS 300 395-02 - Amendment 1 - Terrestrial Trunked Radio (TETRA); Speech codec for full-rate traffic channel; Part 2: TETRA code
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