Transcription of DMR versus TETRA systems comparison
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DMR versus TETRA systems comparison
Radio Activity Headquarter: Via Ponte Nuovo, 8 - 20128 Milan email: - Tel. - FAX/Voicebox 1782242408 Registr. CCIAA Milano N 1728248 - 04135130963 DMR versus TETRA systems comparison Version 1v2 ENB26 - DMR vs TETRA comparison 07/09/2009 2 / 19 Index ABSTRACT .. 3 CONSIDERATIONS ABOUT PROFESSIONAL MOBILE RADIO (PMR) systems .. 4 The need of a professional mobile radio system .. 4 Analog to digital PMR .. 4 TETRA in brief .. 6 DMR in brief .. 7 DMR versus TETRA comparison .. 10 Radio frequency aspects ..10 Coverage .. 10 Spectrum efficiency .. 12 Propagation delay tolerance .. 13 Cell enhancer tunnel coverage .. 14 Green IT .. 14 System aspects ..14 Features .. 14 Flexibility and Simplicity .. 15 Availability .. 15 Analog migration and coexistence .. 15 Open standard .. 16 Reliability .. 16 Costs ..17 Terminals .. 17 Base station and node switches .. 17 New sites and frequency licenses .. 17 Migration cost .. 18 CONCLUSION.
ENB26 - DMR vs TETRA comparison 1v2.doc 07/09/2009 5 / 19 ∞ TErrestrial TRunked RAdio (TETRA) ∞ Digital Mobile Radio (PMR) ∞ Digital Private Mobile Radio (dPMR)
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