HYTERA MD655 (400-470 MHz)

Повністю відповідає стандартному DMR, радіостанція Hytera MD655 ефективне рішення в режимі реального часу для управління парком рацій з універсальною функціональністю.

Вбудований GPS у версії Hytera MD655G

Робочі частоти: 136-174 МГц або 400-470 МГц

1024 робочих каналу

Вихідна потужність передавача 5-25 Вт General Data Frequency range VHF: 136 - 174 MHzUHF: 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 кгц 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 A25 W: < 8 A Frequency stability ±0.5 ppm Antenna impedance 50 ? 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 kHz14K0F3E at 20 kHz16K0F3E at 25 kHz 4FSK digital modulation 12.5 кгц (data only): 7K60FXD12.5 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 кгц±4.0 kHz at 20 кгц±5.0 kHz at 25 kHz Noise suppression 40 dB at 12.5 kHz43 dB at 20 kHz45 dB at 25 kHz Adjacent channel selectivity 60 dB at 12.5 kHz70 dB at 20/25 stereo Audio sensitivity +1 to -3 dB Nominal audio distortion ? 3% Digital vocoder type AMBE++ Receiver Sensitivity (analog) 0.3 ?V (12 dB SINAD)0.22 ?V (Typical) (12 dB SINAD)0.4 ?V (20 dB SINAD) Sensitivity (digital) 0.3 ?V / BER 5% Adjacent channel selectivity TIA-603ETSI 65 dB at 12.5 kHz / 75 dB at 20 and 25 kHz60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz IntermodulationTIA-603ETSI 75 dB at 12.5/20/25 kHz70 dB at 12.5/20/25 kHz Spurious response rejectionTIA-603ETSI 75 dB at 12.5/20/25 kHz75 dB at 12.5/20/25 kHz Hum and noise 40 dB at 12.5 kHz43 dB at 20 kHz45 dB at 25 kHz Nominal audio power output Internally, 3 W at 20 ?Externally, 7.5 W at 8 ? 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 до +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) first Time to fix (TTFF) cold start < 1 minute first Time to fix (TTFF) warm start < 10 seconds Horizontal accuracy < 10 meters