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Knowledge Base
Answers to Your Questions about Radio and Wireless Voice Communications

PMR 446 Technical Specification

Aaron Ward
09 February 2016

PMR446 (Analogue)

  • Transmit Power 500mW Estimated (REP)
  • Bandwidth 12.5kHz & 6.25Khz with some digital modes.
  • Antenna Fixed, non removable. Impossible to connect to external aerial.
  • Frequency Modulation and digital modes.
  • User Separation CTCSS, DCS, digital signalling.
  • Frequencies (Simplex TX=RX)
Channel Number TX/RX Frequency (MHz)
1 446.00625
2 446.01875
3 446.03125
4 446.04375
5 446.05625
6 446.06875
7 446.08125
8 446.09375

 

dPMR446. Digital FDMA

  • Transmit Power 500mW Estimated (REP)
  • Bandwidth 6.25kHz.
  • Antenna Fixed, non removable.
  • Modulation: four-level FSK (Frequency Shift Keying)
  • Frequencies (Simplex TX=RX)
dPMR446 Channel TX/RX Frequency (MHz)
1 446.103125
2 446.109375
3 446.115625
4 446.121875
5 446.128125
6 446.134375
7 446.140625
8 446.146875
9 446.153125
10 446.159375
11 446.165625
12 446.171875
13 446.178125
14 446.184375
15 446.190625
16 446.196875

 

DMR446. Digital TDMA

  • Transmit Power 500mW Estimated (REP)
  • Bandwidth 12.5kHz.
  • Antenna Fixed, non removable.
  • Modulation: four-level FSK (Frequency Shift Keying)
  • Frequencies (Simplex TX=RX)
DMR 446 Channel TX/RX Frequency (MHz)
1 446.10625
2 446.11875
3 446.13125
4 446.14375
5 446.15625
6 446.16875
7 446.18125
8 446.19375
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