JRC Inmarsat FleetBroadband JUE-251

Additional information


The JUE-251 continues the success of its predecessor, featuring a reliable industry standard interface and an advanced network router in a compact design.

All-new above deck equipment (ADE) design
Our company’s long experience of design has lead to an all-new ADE – inside and out. It features a two-axis control and the base of the dome is carved from one solid piece of aluminum, making it stable and durable.
By adapting to the latest technologies, the size of the antenna is slightly reduced and has a weight reduction of 40% – while keeping it robust and easy to install.
No gyro or GPS input is required and it benefits from having no cable under the antenna inside, which means there is no need for “cable unwrap” maneuvers to free cable that has become twisted as the device moves to locate the satellite.

Using the same cable management philosophy as other current JRC Inmarsat products, a single coax cable is used between ADE and main unit allowing for easy installation.

About FleetBroadband
Based on 3G standards, FleetBroadband provides constant, simultaneous access to voice and highspeed data, capable of supporting always-on broadband connectivity at speeds up to 284kbps and streaming IP data rate of up to 128kbps.

It allows users to send and receive SMS messages of up to 160 characters, a feature that is proven popular with crew who are familiar with texting from their GSM mobiles while on shore.

Reference Sheet

Frequency – Transmit 1626.5-1660.5 MHz, 1668.0-1675.0 MHz receive 1518.0-1559.0 MHz
Voice/facsimile 4 kbps voice, G3 facsimile
Data Streaming IP: 8, 16, 32, 64, 128 kbps, standard IP: 284 kbps, SMS: 3G (up to 160 characters)
Antenna type 24 cm flat diameter, 2 axis control system, AES enclosure
Beam width 40° in 3dB direction
Power 21.6-31.2V DC (optional External power supply unit 100-230V AC)
Consumption Less than 160W
Power output PoE Up to 15.4W per port (total 32W max)
ADE environmental Infrared: 500W/m2
, ultraviolet: 54W/m2
, icing 25mm, precipitation: 100mm/hr, wind: 100kn
Ship’s motion Roll: ±30°/8 sec, pitch: ±10°/6 sec, yaw: ±8°/50 sec, surge: ±0.2g, sway: ±0.2g, heave: ±0.5g,
rate of turn (ROT): ±6°/sec, headway: 30kn
E.I.R.P. +15.1dBW +1/-2dB (class 9)
G/T -15.5dB (class 9)
Handset 1 port (BDE)
RJ11 telephone/facsimile 2 ports (BDE), 4 ports (optional Junction board)
LAN 6 ports (main unit) 1 port: JRC LAN, 1 port: EXT WAN, 4 ports: free use and support PoE
ISDN 1 port for 3.1k audio only (BDE)
External GPS input IEC61162-1 (optional Junction board)
GPS output Via LAN
External gyro input*1 1 port (optional Junction board)
WRF output 1 port (BDE)
External buzzer 2 ports (optional Junction board)
Voice distress button 1 port (BDE), 1 port (optional Junction board) for non SOLAS distress
ADE connector 1 port – TNC female (BDE)
External input/output Alarm output via JRC LAN (BDE), remote power switch control, incoming call output, incoming
call acknowledge input (optional Junction board)
SIM card slot 1 slot with protective cover (BDE)
Ambient conditions
Operating temperature: -25 to 55°C (ADE, BDE) -15 to 55°C (Handset)
Storage temperature: -40 to 80°C
IP protection rate: IP56 (ADE), IP22 (BDE), IPX0 (Handset)
Relative humidity: 0 to 95% non-condensing


JUE-251 Reference Sheet


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