Radiotelephone

Marine VHF RADIOTELEPHONE Model FM-4850

The Ultimate 5-in-1 Tool
VHF Radio, GPS, AIS, Loud Hailer, NMEA2000 and DSC Calling (Black Box Type)

Recreational Boats Fishing Vessels Workboats
NavNet Connect AIS CAN bus

Features

  • Everything needed for hailing and calling in one unit

  • Built-in AIS receiver

    When connected to an MFD or Chart Plotter that can read and display AIS data, the built-in AIS receiver will guarantee your safety at sea by providing all the data you need for situational awareness and collision avoidance.
     
  • Loud Hailer

    15 W PA/Loud Hailer having 8 automatic fog/warning signals and a listen-back capability allowing for two-way communication.
  • Class D DSC

    With Class D DSC (Digital Selective Calling), the FM-4800 allows you to transmit both routine calls and distress calls in case of an emergency.
  • NMEA2000 Interface

    Plug and play NMEA2000 interface allows you to easily connect the FM-4800 to your navigation devices. When connected to the NavNet TZtouch2, DSC calls can be initiated directly from your MFD.
  • Dual Station

    ​The optional handset HS-4800 supports al the functionality of the FM-4800 and works as a second station. Intercom function is also supported. 
  • 25 W/1 W output power

  • Loud Hailer/ Fog Horn

  • Dual Station with optional handset

  • ATIS mode for inland waterways

  • 10 weather channels

  • Fully waterproof (IP67)

  • Up to 3 Handsets HS-4800 and Speakers SP-4800 connectable

Specifications

General

Channels
International, USA and Canada
Frequency Stability
Within ± 1.5 kHz
Communication System
Simplex / Semi-duplex
Antenna Impedance
50 ohms
Display
Monochrome, 192 x 128 dot (FM-4800, HS-4800)

Transmitter

Frequency Range
156.025 MHz to 162.000 MHz
Output Power
25 W max., 1 W at power reduction
Frequency Deviation
± 5 kHz max
Spurious Emission
Standby : less than 2nW
Transmit: less than 0.25 μW
16K0G3E (F3E9) Voice, 16K0G2B (F2B) DSC

Receiver

Frequency Range
156.025 MHz to 162.0375 MHz
162.550 MHz to 163.275 MHz (Weather Channel in US & Canada only)
Sensitivity
± 6 dBμV e.m.f. or less (SINAD 20 dB)
Channel Selectivity
70 dB or more
Spurious Response
70 dB or more

DSC

Protocol
Class D DSC
Sensitivity
0 dBμV e.m.f. or less (BER < 1%)
Channel Selectivity
70 dB or more
Spurious Response
70 dB or more

AIS RECEIVER

Receiver Frequency (CH)
161.975 MHz (AIS1), 163.025 MHz (AIS2)
Sensitivity
-107 dBm or less (PER < 20%)
Channel Selectivity
70 dB or more
Spurious Response
70 dB or more

GPS RECEIVER

Receiving Frequency
1575.42 MHz
Number of channel
72 channels
Accuracy
10 m
Position Fixing Time (cold start)
120 sec typical
Position Update Interval
1 sec

LOUD HAILER/ FOG HORN

Output Power
30 W max. (4 ohm)

INTERFACE

Number of port
NMEA0183 2 port (IN: 1, OUT: 1), NMEA2000 (3LEN) 1 port
NMEA0183 Sentence
Input: TM, GGA, GGL, GNS, RMA, RMC
Output: DSC, DSE, GLL, RMC, VDM
NMEA2000 PGN
Input: 059392/904,060160/416/928,
065240,126208,127258,129026,029,044
Output : 059392,060928,126208/464/993/996/998,
129025/026/029/038/039/040/041/540/793/794,
129795/797/798/801/802/808/809/810

POWER SUPPLY

Power Voltage
12.0 VDC (-10%, +30%) 5.0 A Max

ENVIRONMENT

Ambient Temperature
-15°C to +55°C
Relative Humidity
93% or less a +40°C
Degree of Protection
IP67 (FM-4800, HS-4800, SP-4800)

Equipment List

Standard

  • Transceiver Unit FM-4850
  • Handset HS-4800
  • Speaker SP-4800
  • Handset extension cable (5m)
  • Installation materials

Option

  • Handset HS-4800
  • Speaker SP-4800
  • Handset extension cable (5/10m)
  • GPS Antenna GPA-017/017S

Drawing

Interconnection Diagram

Documentation

  • FM-4850 Brochure
    (Last update: Mar 23, 2023)

* Specifications subject to change without notice.