Tetra Manual - Google Drive Apr 2026

Classes 1, 2, and 3 (TEA1, TEA2, TEA3, TEA4).

Communication with a pre-defined set of users (Talkgroups). TETRA MANUAL - Google Drive

A standard manual outlines several critical communication modes: Classes 1, 2, and 3 (TEA1, TEA2, TEA3, TEA4)

Uses ACELP (Algebraic Code Excited Linear Prediction) at 4.8 kbit/s. 3. Key Operational Features and 3 (TEA1