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Радиостанция Hytera MD655

Радиостанция Hytera MD655
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Полностью соответствует стандартному DMR, радиостанция Hytera MD655 эффективное решение в режиме реального времени для управления парком раций с универсальной функциональностью. Встроенный GPS в версии Hytera MD655G
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Описание Радиостанция Hytera MD655

Рабочие частоты: 136-174 МГц или 400-470 МГц

1024 рабочих канала

Выходная мощность передатчика 5-25 Вт

General Data
Frequency range VHF: 136 - 174 MHz
UHF: 400 - 470 MHz
Supported operation modes
  • DMR Tier II (DMR conventional), Simulcast
  • XPT
  • Analog
DMR Tier II in reference to ETSI TS 102 361-1/2/3
Channel capacity 1024
Zone Capacity 64 (with max. 16 channels each)
Channel spacing (analog) 12.5 / 20 / 25 kHz
Channel spacing (digital) 12.5 kHz
Operating voltage 13.6 ±15 % VDC
Max. power consumption (in stand by) ≤ 0.6 A
Max. power consumption (during reception) ≤ 2.0 A
Max. power consumption (during transmission) 1 W: < 3 A
25 W: < 8 A
Frequency stability ±0.5 ppm
Antenna impedance 50 Ω
Dimensions (W × H × L) 165 x 46 x 140 mm
Weight 1050 g
LCD display vie handheld microphone
 
Transmitter
Transmitting power 1 – 25 W (adjustable)
Modulation 11K0F3E at 12.5 kHz
14K0F3E at 20 kHz
16K0F3E at 25 kHz
4FSK digital modulation 12.5 kHz (data only): 7K60FXD
12.5 kHz (data and voice): 7K60FXW
Interfering signals and harmonics -36 dBm < 1 GHz
-30 dBm > 1 GHz
Modulation limiting ±2.5 kHz at 12.5 kHz
±4.0 kHz at 20 kHz
±5.0 kHz at 25 kHz
Noise suppression 40 dB at 12.5 kHz
43 dB at 20 kHz
45 dB at 25 kHz
Adjacent channel selectivity 60 dB at 12.5 kHz
70 dB at 20/25 kHz
Audio sensitivity +1 to -3 dB
Nominal audio distortion ≤ 3%
Digital vocoder type AMBE++
 
Receiver
Sensitivity (analog) 0.3 μV (12 dB SINAD)
0.22 μV (Typical) (12 dB SINAD)
0.4 μV (20 dB SINAD)
Sensitivity (digital) 0.3 μV / BER 5%
Adjacent channel selectivity 
TIA-603
ETSI
65 dB at 12.5 kHz / 75 dB at 20 and 25 kHz
60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz
Intermodulation
TIA-603
ETSI
75 dB at 12.5/20/25 kHz
70 dB at 12.5/20/25 kHz
Spurious response rejection
TIA-603
ETSI
75 dB at 12.5/20/25 kHz
75 dB at 12.5/20/25 kHz
Hum and noise 40 dB at 12.5 kHz
43 dB at 20 kHz
45 dB at 25 kHz
Nominal audio power output Internally, 3 W at 20 Ω
Externally, 7.5 W at 8 Ω
Nominal audio distortion ≤ 3 %
Audio sensitivity +1 to -3 dB
Conducted spurious emission -57 dBm
 
Ambient data
Operating temperature range -30 °C to +60 °C
Storage temperature range -40 °C to +85 °C
ESD IEC 61000-4-2 (Level 4),
± 8 kV (contact)
± 15 kV (air)
Protection against dust and moisture IP54
Shock and vibration resistance MIL-STD-810 C/D/E/F/G
Relative humidity MIL-STD-810 C/D/E/F/G
 
GPS (MD655G only)
Time to first fix (TTFF) cold start < 1 minute
Time to first fix (TTFF) warm start < 10 seconds
Horizontal accuracy < 10 meters