MD78Xi (DMR Powerful Digital Mobile Radio)

As a product built to the DMR standard,it is endowed with ergonomic design,all-round digital functions and remarkable quality.These features improve your management efficiency and enable you to be repsonsive to emergent efficiency. This series product is the ideal solution for in-vehicle or desktop communication requirements.

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Features

  • User-friendly interface and keypad design – Large LCD color display, which enables reading in sunlight
  • compliant with MIL-STD-810 C/D/E/F/G and IP54 standards
  • Enlarge Communication Range – With 50W transmit power output and higher RX sensitivity
  • Versatile services and functions
  • Versatile voice calls
  • Scramble, basic encryption, and optional advanced encryption
  • Accessory Expansion – Support 3rd party to develop accessories expansion via front and rear port of the mobile
  • Built-in GPS (optional as per delivery)
  • Roaming function (optional)
  • Support Option Board Interface- Allow 3rd party partner to develop various applications

Features

  • Full Duplex Call Optional(Only for U1 Band)- Can make full duplex calls with full duplex portable radios, telephones or cell phones in DMO or RMO mode
  • Single Frequency Repeater Mode (Optional)- Use one slot to receive voice and data, and forwards them on another slot, extending the communication range in DMO mode
  • Back To Back Solution
  • Remote Control Head
  • Support XPT pseudo trunking
  • Support DMR digital trunking

Specifications

General

Frequency Range VHF: 136-174MHz
UHF1: 400-470MHz
UHF3: 350-400MHz
UHF2: 450-520MHz
Channel Capacity 1024
Zone Capacity 64(each with a maximum of 256 channels)
Channel Spacing Analog: 25/20/12.5kHz
Digital: 12.5kHz
Operating Voltage 13.6V±15%
Current Drain(Standby) ?0.6A
Current Drain(Receive) ?2.0A
Current Drain(Transmit) 1W?2A
45W?12A
50W?12A
25W?8A
Frequency Stability ±0.5ppm
Antenna Impedance 50?
Dimensions(W×H×D)mm 174 x 60 x 200 mm
Weight 1.7kg
Display LCD Display:2.0 inch, 4 rows

Transmitter

RF Power Output Low power:1-25W
High power :UHF: 1-45W
High power :VHF: 5-50W
FM Modulation 11K0F3E@12.5KHz
14K0F3E@20KHz
16K0F3E@25KHz
4FSK Digital Modulation 12.5KHz Data Only:7K60FXD
12.5kHz Data&Voice:7K60FXW
Conducted/Radiated Emission -36dBm?1GHz
-30dBm>1GHz
Modulation Limiting ±2.5KHz@12.5KHz
±4.0KHz@20KHz
±5.0KHz@25KHz
RF Power Output Low power:1-25W
High power :UHF: 1-45W
High power :VHF: 5-50W
FM Modulation 11K0F3E@12.5KHz
14K0F3E@20KHz
16K0F3E@25KHz
4FSK Digital Modulation 12.5KHz Data Only:7K60FXD
12.5kHz Data&Voice:7K60FXW
Conducted/Radiated Emission -36dBm?1GHz
-30dBm>1GHz
Modulation Limiting ±2.5KHz@12.5KHz
±4.0KHz@20KHz
±5.0KHz@25KHz
FM Hum&Noise 40dB@12.5KHz
43dB@12.5kHz
45dB@25KHz
Adjacent Channel Power 60dB@12.5KHz
70dB@20/25KHz
Audio Response +1?-3dB
Audio Distortion ?3%
Digital Vocoder Type AMBE+2™ or SELP
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Receiver

Sensitivity(Analog) 0.22?V (12dB SINAD)
0.18?V (12dB SINAD) (Typical)
0.35?V( 20dB SINAD)
Sensitivity(Digital) 0.22?V/BER5%
Adjacent Channel Selectivity TIA-603: 65dB@12.5kHz75dB@20/25kHz
ETSI: 60dB@12.5kHz/70dB@20/25kHz
Intermodulation TIA-603: 75dB 12.5kHz/20kHz/25kHz
ETSI: 70dB@12.5kHz/20kHz/25kHz
Spurious Response Rejection TIA-603: 75dB@12.5kHz/20kHz/25kHz
ETSI: 70dB@12.5kHz/20kHz/25kHz
Blocking TIA-603: 90dB
ETSI: 84dB
Hum&Noise 40dB@12.5kHz
43dB@20kHz
45dB@25kHz
Rated Audio Power Output(Internal) 3W @20ohm load
Rated Audio Power Output(External) 7.5W @8ohm load
Max. Audio Power Output(Internal) 8W @20ohm load
Max. Audio Power Output(External) 20W @8ohm load
Rated Audio Distortion ?3%
Audio Response +1?-3dB
Conducted Spurious Emission <-57dBm

Environmental

Operating Temperature -30??+60?
Storage Temperature -40??+85?
ESD IEC 61000-4-2(level 4)
±8kV(Contact)
±15kV(Air)
MIL Standard MIL-STD-810 C/D/E/F/G
Humidity Per MIL-STD-810 C/D/E/F/G
Dust & Water Protection IP54
Shock & Vibration Per MIL-STD-810 C/D/E/F/G

GPS Specifications(For the Model with GPS)

Horizontal Position Accuracy <5m (50% probable),<10m (95% probable)
Cold Start (Time to First Fix) <1 minute
Hot Start (Time to First Fix) <10 seconds
Note Accuracy specs are for long-term tracking (5 satellites visible at nominal -130dBm)