MD655 DMR UHF Dijital Araç Telsizi
$ 350,00
Açıklama
General Data
|
|
Frequency range
|
VHF: 136 – 174 MHz
UHF: 400 – 470 MHz |
Supported operation modes
|
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
|
All technical indications were tested according to the corresponding standards. Subject to change on the basis of continuous development.
|