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MAN OVER BOARD SEQUENCE

MAN OVER BOARD

WIRELESS MOB DETECTION

AUTO ENGINE STOP

If this is the first time you use the MOB+, visit 

 

www.fellmarine.com/explore

To see install videos, demos, FAQs, online user manual and other 

support material, visit:  

www.fellmarine.com/support

Thank you for choosing MOB+!

Disconnect battery cables at battery before attemting to install this 

product

Read all instructions carefully before use of this product.

FELL Marine equipment and accessories are designed to the best industry 

standards for use in the recreational marine environment. Their design and 

manufacture conforms to the appropriate Electromagnetic Compatibility 

(EMC) regulations, but correct installation is required to ensure that 

performance is not compromised. Please see section EMC Installation 

Guidelines in the User Manual for optimum EMC conditions.

Within the wireless range MOB+ will not shut down the engine automatical-

ly e.g. if you fall in your boat within the wireless range the engine will not 

stop automatically. In this event, you can shut down the engine by pressing 

the button on your MOB+ xFOB or on the MOB+ xHUB. Always check your 

wireless range before use.

Installation

WARNING

The xFOB™ is waterproof down to 10 ft/3m and can be reused after 

MOB event. After an MOB-event, the engine can easily be restarted by; 

• 

dStart™ - 6 seconds after a MOB Event the system lets 

passenger restart the engine to pick up the missing person in 

the water. The engine can be started without reconnecting the 

xFOB. No interaction with xHUB necessary.

• 

Reconnect with the xFOB by clicking once on the xFOB to 

deactivate dStart™ and once more to connect.

IMPORTANT INFORMATION

11,5 mm

(0.45 inch)

44 mm

(1.7 inches)

28 mm

(1.1 inches)

Measurements and performance

Weight

10g / 0.35oz.

Housing material

ASA / TPU / POM

Temperature range

From -15°C / 5°F to 55°C / 131°F

Voltage Source

Coin Cell Battery - 3V nominal

Power consumption

0.3 µA in sleep (0.00033 W) 30 mA in active mode (0.098W)

Battery life

300 hours continous usage

Wireless performance

Frequency area

EU: 

868 MHz 

US: 

915 MHz

RF signal (in)

10 dBm max.

RF signal (out)

10 dBm max.

4D Antenna diversity

Battery xFOB

Battery type

CR2032

Battery voltage

3V lithium battery

Certifications and compliance

Radio - xFOB

EU: 

R&TTE, EN 300 328, 

Maritime/CE

US: 

FCC Part 15C

EMC - xFOB

EU: 

EN 301 489-01 

(V1.9.2), Class A

US: 

CISPR 16-1

Flammability - xFOB

IEC 60950 1&22, CE-UL94

Immersion xFOB

IEC 60945, IP68, Maritime/CE - 3m / 10ft. water resistant

RoHS (2002/95/EC) compliant materials

ABYC A-33 compliant

Measurements and performance

Weight

164g / 5.8oz.

Housing material

ASA / TPU / PBT / POM – RoHS

Temperature range

From -15°C / 5°F to 55°C / 131°F

Voltage Source

10-32Vdc

Power consumption

Active Mode: 180mA (2.5W max. at 13.8Vdc), Standby: <30mA, 

<0.4W max. at 13.8V

Fuse

1A-3A

Alarm decibel level

>85db

Kill Switch Relay Max Current Tolerance

5A continuously

Wireless performance

Frequency area

EU: 

868 MHz 

US: 

915 MHz

RF signal (in)

10 dBm max.

RF signal (out)

10 dBm max.

4D Antenna diversity

Certifications and compliance

Radio - xHUB

EU: 

R&TTE, EN 300 328, 

Maritime/CE

US: 

FCC Part 15C

EMC - xHUB

EU: 

EN 301 489-01 

(V1.9.2), Class A

US: 

CISPR 16-1

Flammability - xFOB

IEC 60950 1&22, CE-UL94

Immersion xFOB

IEC 60945, IP68, Maritime/CE - 3m / 10ft. water resistant

RoHS (2002/95/EC) compliant materials

ABYC A-33 compliant

228 mm

(9 inches)

166 mm

(6.5 inches)

49 mm

1.9 inches)

66 mm

(2.6 inches)

62 mm

(2.45 inches)        

52 mm

(2 inches)

17 mm

(0.7 inch)

• 

I already have an existing kill switch. Can I install MOB+™?

 

-Yes. MOB+ is installed using wires from your existing kill switch. Please see 

installation guide for instructions

• 

I have a boat made from metal. Can I install MOB+?

 

-Actual signal reduction, if any, will vary from boat to boat. Should the signal 

be noticeably worse, we recommend using an external antenna to put on the 
top side of the helm, supplied from FELL Marine.

• 

Can passengers start the boat if I were to fall over board?

 

-Yes, this is one of the main features of MOB+. 6 seconds after a MOB 

Event the system lets passenger restart the engine to pick up the missing 

person in the water.

Click the button on your xFOB to connect.

CONNECT

Click the button on your xFOB™ to disconnect.

DISCONNECT

In the event that you forget your xFOB™ or if it´s 

out of battery - don´t worry. You can easily override 

MOB+™ by holding the button on the xHUB™ for 10 

seconds. The xHUB will give a sound and a yellow 

light signal to indicate Override Mode is activated so 

you can start boating.

OVERRIDE MODE

dStart

dStart™ is the direct restart feature in the MOB+™ 

system. 6 seconds after a MOB-Event the MOB+ 

lets any remaining passengers in the boat restart 

the engine to pick you up in the water should a MOB 

event occur. When you get back on board you can 

reconnect by one click on the xFOB™.

The xHUB™ will give a sound signal and a red 

light to indicate Disconnect.

The xHUB™ will give a sound signal and a green 

light to indicate a successful connection.

It’s obvious, there’s no comparison with traditional corded lanyards. The 

MOB+ is safer and easier to use. Just wear the xFOB™ as you want, and 

click once when entering your boat for the next boating trip to connect. 

That’s it! 

MOB MODE

MOB Mode (

Man Overboard Mode

) is the safety mode of the system. 

MOB+™ will automatically activate shut down of the engine when the 

xFOB™ is submersed in 4 inches (10 cm) of water or travels out of range 

from the xHUB™. After 6 seconds, the system automatically activates 

Override Mode. In Override Mode any passenger or crew onboard can 

restart he engine without the need to interact with the MOB+ system. 

This allows for a quick recovery of the missing person in the water and 

enhances safety.

FELL AS

Designs, manuals and features subject to change. 

For more information visit our website:  

www.fellmarine.com

Direct Restart

Drive

MOB

Makes it possible for 

passengers to start 

the engine  6 seconds 

after a MOB incident 

to quickly rescue the 

person in the water

FREEDOM ONBOARD 

Range up to 50 feet. 

 4D antenna diversity 

ensures a robust 

connection. Enjoy higher 

seas and stronger 

winds

Should you fall over 

 board the engine 

will stop  as you hit 

the water

LEARN MORE AT: WWW.FELLMARINE.COM

TIME-OUT FUNCTIONS

FAQs

ONE CLICK USER INTERFACE

TECHNICAL SPECIFICATIONS - xFOB™

TECHNICAL SPECIFICATIONS -xHUB™

CAUTION

Connected: 20h Time-Out: 

The normal xFOB to xHUB connection will 

automatically time-out after 20h. This is to prevent unnecessary battery 

drainage of the xFOB battery. Click xFOB again to reconnect.

Override Mode: 8h Time-Out: 

Override Mode automatically times out 

after 8h to prevent engine start if the boat is left unobserved.

MOB Mode: 2h Time-Out: 

MOB Mode automatically times out after 2h. 

This is to prevent engine start if the boat is left unobserved after leaving 

the boat without disconnecting the xFOB.

MOBP17001

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