SI-TEX MDA-4 Fixed Mount DSC VHF Radio NMEA 2000 with Dual-Channel AIS

Defender Exclusive! Includes Optional Full-function Remote Command microphone

Features:

• The SI-TEX MDA-4 is ready for action on recreational and commercial fishing boats, workboats and more
• Includes full-function Remote Command microphone
• Compatible with Optional GNSS 66-channel smart GPS antenna (Sold Separately)
• This rugged package combines an advanced VHF-FM / DSC radio/telephone with a quality built-in Dual Channel AIS Receiver
• Ruggedized to Military specifications to stand up to tough conditions and years of hard professional use
• Includes Dual Watch, Tri-Watch and Programmable Scanning Modes
• Robust 25 Watt loud hailer / foghorn with (8) selectable modes and listen back
• High-performance dual-channel AIS receiver
• The large LCD display provides important AIS data
  • MMSI, Call Sign, Ship's Name, Bearing, Distance, Speed Over Ground and Course Over Ground
  • Also includes alerts for Closest Point of Approach and Time to Closest Point of Approach
• The MDA-4 can also provide important navigation data like Lat/Lon, Date, Speed Over Ground and Course Over Ground.
• Bracket Mount or Flush Mount
• Standard 2-year warranty

Click Here for an Installation Guide and Owner's Manual for this Product

Specifications:

• General
  • Dimensions: 8" L x 4.25" W x 2.25" H
  • Dimensions w/Bracket: 8.5" L x 5.25" W x 2.25" H
  • Connectivity NMEA2000, NMEA0183
  • Power Supply 13.8 Volt DC
  • Environmental
    • MIL-STD-810G Standards
      • Meets MIL-STD-810G specifications for Altitude, High Temperature Low Temperature, Temperature Shock, Contamination by Fluids, Solar Radiation, Rain, Humidity, Salt Fog, Sand & Dust, Immersion, Vibration, Shock
    • ITU Standards (Worldwide Telecommunications Standards)
    • IPX7 Waterproof
• AIS Receiver
  • Frequency 161.975MHz / 162.025MHz
  • No. of Channels (2) Dual Channels
  • Local Oscillator Mode PLL
  • Ambient Operating Temperature -15° C to +55° C
• VHF Radio
  • TX Frequency 156.025-157.425 MHz
  • RX Frequency 156.050-162.025 MHz
  • Channels All USA, Canada and INT channels, plus private channels
  • Microphone Wired handheld channel up/ down, power high/low and quick 16/9 channel access, extra-long mic cord for commercial wheelhouses
  • Modulation Mode FM (16K0G3E/DSC (16K0G2B)
  • Antenna Impedance 50 Ω nominal
  • Receiver Sensitivity 0.22 micro-volts (SINAD-12 dB)
  • Spurious Response Rejection 70 dB
  • Adjacent Channel Rejection 70 dB
  • Audio Output Power 5 Watt @ 4 Ohm
  • Hailer/Fog Horn Audio Output Power 25 Watt @ 8 Ohm
  • Audio Distortion 5%
  • RF Output Power High 25 Watt / Low 1 Watt
  • Harmonic Emissions 0.25 µ W

Command Mic Features:

• Si-Tex MDA4CM SI-TEX Command Mic Kit
• Applications: MDA-4 Fixed Mount DSC VHF Radio
• Includes 6 Meter Cable with Bulkhead Connector