| TETRA Specifications |
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| spectrum: | 380-400, 410-430, 450-470, and 870-921 MHz
380-400 MHz designated for public safety
V+D designed to work from 150 MHz to 900 MHz |
| multiple access: | TDMA, 4 time slots |
| modulation: | pi/4 DQPSK |
| channel spacing: | 25 kHz |
| channel data rate: | 36 kbps |
| speach code rate: | approx. 4.8 kbps |
| duplex: | full duplex / TDD |
| user data rate: | 7.2 kbps per timeslot |
| variable data rate: | from 2.4 kbps up to 28.8 kbps |
| transmit power: | 0.1/1/3/10 W |
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