Icom M803 Digital Marine Single Side Band Radio
The M803 is the long range digital communication radio for any cruiser. Reach
both marine and ham frequencies with the Class E DSC MF/HF certification. It is
packed with features to keep users safe such as a distress call button, audio
replay, GPS and more. The intuitive interface of the color TFT display and the
similarity of the user interface of the M605 allows for easy operation between
the two radios. The M803 also includes an advanced RF direct simple sampling
system that improves higher receiver sensitivity and higher quality audio.
Output Power:
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150W
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Frequencies:
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0.5-29.99 MHz
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Channels:
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830 (160 programmable, 72 ITU SSN duplex, 249 ITU SSB simplex, 193 ITU
FSK duplex, 160 email)
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Waterproof:
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IPX7 (controller only)
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GPS:
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Built-in
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Large Color Display
Users will like the large 4.3" wide viewing angle color TFT display. Clearly
see the high resolution display icons on the LCD screen from numerous positions
with the nearly 180 degree wide viewing angle, which provides various
installation placement possibilities. The night mode display offers readability
in low-light conditions.
Intuitive User Interface
Smoothly operate and sail with the M803s large main dial and keys to access
functions such as accessing MMSI numbers, vessel numbers, and channels with the
full alpha-numeric keypad. Assign one of the software key functions to the
microphones programmable button for quick access. Additionally the head unit
offers programmable keys for customizable access.
Emergency Distress Button
The M803s big and easily identifiable emergency distress button is encased
in a spring loaded cover. Once pressed a digital distress signal is sent with
GPS coordinates and calls for help to other ships or coast stations. The GPS
receiver offers GPS, GLONASS, SBAS, position data, speed and UTC data when using
the supplied GPS antenna. Position data may be output from the NMEA 0183 port
for use with other devices.
Dedicated DSC Scanning
The dedicated DSC watch-keeping receiver continuously scans the six distress
channels in rotation. If you are in process with a DSC call and receive another
call, the M803 can switch between calls with the Multiple Task Mode function.
100 MMSI numbers (75 individual/25 group) for DSC calls can be stored with a
10-character name.
Two Minute Memory Instant Replay Memory
The Instant Replay Function allows users to replay up to two minutes of
previous conversations or calls. The function constantly loops and records over
older audio.
Additional Features
- NMEA 0183 Version 4.10 data input/output (4800-38400 bps)
- HF email operation with frequency, mode and bandwidth memorization*
*Consult with an HF email provider for details
Specifications
General
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Frequency coverage
Rx
Tx
DSC
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500 kHz29.9999 MHz (Continuous)
1.62.9999, 4.04.9999, 6.06.9999,
8.08.9999, 12.013.9999, 16.017.9999,
18.019.9999, 22.022.9999, 25.027.5000 MHz
2.1875, 4.2075, 6.3120, 8.4145, 12.5770, 16.8045 MHz
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Mode
Tx/Rx
DSC
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J3E (USB, LSB),
J2B (AFSK),
F1B (FSK),
A1A (CW),
H3E* (AM) (* H3E receive only)
J2B
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Antenna impedance
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50Ω (unbalanced)
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Usable temperature range
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-20°C to +55°C, -4°F to +131°F
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Frequency stability
Tx/Rx
DSC
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±10 Hz (below 29.999 MHz)
±10 Hz
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Power supply requirement
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13.6V DC ±15% (Negative ground)
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Current drain
(at 13.6V DC)
Receive
Transmit
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Less than 3.0 A (Maximum audio output)
30A (Maximum output power)
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Dimensions (Projections not included)
Main unit
Controller
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240 Χ 94 Χ 238 mm, 9.4 Χ 3.7 Χ 9.4 in (W Χ H Χ D)
274 Χ 114 Χ 86 mm, 10.8 Χ 4.5 Χ 3.4 in (W Χ H Χ D)
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Weight
Main unit
Controller
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4.41 kg, 9.7 lb (approximate)
760 g, 1.7 lb (approximate)
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Transmitter
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Output power
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150, 100, 60, 20 W PEP (selectable)
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Spurious emissions
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Less than -62 dB (Peak output power)
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Carrier suppression
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More than 40 dB (Peak output power)
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Unwanted sideband suppression
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More than 55 dB
(Peak output powerwith 1500 Hz AF Input)
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Microphone impedance
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600Ω
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Receiver
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Sensitivity at 20 dB SINAD
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J3E, A1A
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0.51.5999 MHz
1.61.7999 MHz
1.829.9999 MHz
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30 dBμV emf
13 dBμV emf
8 dBμV emf
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J2B, F1B
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1.61.7999 MHz
1.829.9999 MHz
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4 dBμV emf
1 dBμV emf
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H3E
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0.51.5999 MHz
1.61.7999 MHz
1.83.9999 MHz
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44 dBμV emf
30 dBμV emf
24 dBμV emf
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Sensitivity at 10 dB S/N
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J3E, A1A
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0.51.5999 MHz
1.61.7999 MHz
1.829.9999 MHz
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16 dBμV
1 dBμV
6 dBμV
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J2B, F1B
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1.61.7999 MHz
1.829.9999 MHz
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10 dBμV
15 dBμV
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H3E
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0.51.5999 MHz
1.61.7999 MHz
1.83.9999 MHz
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30 dBμV
16 dBμV
10 dBμV
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DSC Sensitivity (J2B)
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6 dBμV emf (at 20 dB SINAD)
8 dBμV (at 10 dB S/N)
6 dBμV emf (at 1% BER)
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Spurious response
Tx/Rx
DSC
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More than 70 dB
(0.529.9999 MHz)
More than 70 dB
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Audio output power
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4.0W at 10% distortion with a 4Ω load
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Clarity variable range
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±150 Hz
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All stated specifications are subject to change without notice or
obligation.
Applicable IP Rating
Ingress Protection Standard
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Remote controller
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IPX7 (1m depth water for 30 minutes)
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Supplied Accessories
- Remote controller
- DC power cable
- Mounting bracket kits
- Remote control cable (5 m, 16.4 ft)
- GPS antenna (5m, 16.4 ft cable)
- ACC plugs
- Microphone, HM-214H
- Microphone hanger
- Spare fuses
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