Posted by Right Side Marine
When you’re out on the water, safety is everything. One of the most critical—yet often overlooked—pieces of safety equipment on any boat is a Man Overboard (MOB) system. While traditional lanyard-style kill switches have been the standard for decades, modern marine technology is revolutionizing how we protect lives on the water. Let’s explore what MOB systems are, how they’ve evolved, and why upgrading to a wireless system could save your life.
What is a Man Overboard (MOB) System?
A Man Overboard system is a safety device designed to automatically shut down your boat’s engine if the operator falls overboard or moves too far from the helm. The goal is simple but critical: prevent a runaway boat that could cause injury or death.
Traditional MOB: The Lanyard Kill Switch
For generations, the standard MOB system was a simple lanyard connected to a switch at the helm. A clip on one end attached to the operator’s waistband or wrist, and if that person fell overboard, the lanyard would be pulled from the clip, triggering an electrical switch that cuts the engine.
The Problem: Lanyards are unreliable. They can:
Fail to detach properly in an emergency
Become tangled or snagged
Slip off if not secured correctly
Provide no location data or alert system
Require the operator to be wearing the clip at all times
The Modern Solution: Wireless MOB Systems
The boating industry has entered a new era of safety technology. Wireless Man Overboard systems replace traditional lanyards with Bluetooth-connected wearables and advanced electronics that provide multiple layers of protection.
How Wireless MOB Systems Work
Modern wireless MOB systems use wearable devices (often watch-like or small clip-on units) that communicate with your boat’s helm via Bluetooth or wireless connectivity. If the operator:
Falls overboard — The wearable detects sudden immersion in water and triggers an alert
Moves too far from the helm — Geofencing technology sends a warning
Loses consciousness — Advanced systems can detect unusual movement patterns
When triggered, the system automatically:
✓ Decelerates the boat to idle or immediately shuts off engines (depending on your system)
✓ Sends an alert to your helm display and all networked devices
✓ Logs the exact location where the person went overboard
✓ Can trigger additional safety protocols (activating lights, alarms, recording position data)
Key Advantages of Wireless MOB Systems
- Reliability No moving parts to fail or maintenance issues with mechanical switches. Electronics are simple and proven technology.
- Automatic Detection You don’t have to remember to clip in. The system is always active if the wearable is on you.
- Location Data Modern systems record exact GPS coordinates where someone went overboard, making rescue operations significantly faster and more effective.
- Multi-Layer Protection Geofencing alerts you if someone moves away from the helm. Water immersion triggers immediate engine shutdown. Dual protection means redundancy.
- Compatibility Wireless MOB systems work with most modern marine electronics and can integrate with your existing chartplotter, autopilot, and other connected systems.
- Ease of Use No complicated lanyard management. Just wear the wearable and go boating.
The Best Wireless MOB Systems: Fell Marine & Garmin
Right Side Marine carries two of the most trusted brands in marine safety: Fell Marine and Garmin. Here’s what makes each system standout:
Fell Marine MOB+ System
FELL MOB+ is specifically engineered for wireless, Bluetooth-connected man overboard protection. This system is rapidly becoming the industry standard for recreational and fishing boats.
Features:
Bluetooth-connected wearable (watch-style design)
Automatic water immersion detection
Geofencing capability (alerts if operator moves beyond preset distance from helm)
Compatible with most modern outboards and marine electronics
Simple one-button pairing
Water-resistant design for harsh marine environments
Low power consumption with extended battery life
Why Boaters Choose FELL:
Designed by marine safety experts with decades of experience
Proven reliability in saltwater environments
Easy integration with existing systems
Affordable entry point to wireless MOB technology
Excellent customer support from authorized dealers
Best For:
Fishing boats and center consoles
Recreational cruisers and day boats
Boaters upgrading from traditional lanyards
Anyone prioritizing reliability and ease of use
Garmin MOB1 System
Garmin, the leader in marine navigation and electronics, brings their engineering expertise to wireless MOB safety with the MOB1 system.
Features:
Garmin EPIX and GPSMAP compatible (integrates directly with your chartplotter)
Wearable with SOS button for additional emergency capability
Real-time location tracking on your display
Automatic waypoint creation at MOB location
Compatible with Yamaha Helm Master EX and other advanced helm systems
Premium construction and reliability
Full ecosystem integration (works with your Garmin radar, sonar, and navigation)
Why Boaters Choose Garmin:
Seamless integration if you already use Garmin navigation systems
Trusted brand with 30+ years of marine electronics innovation
Advanced features like SOS buttons and waypoint creation
Intuitive interface if you’re already familiar with Garmin products
Premium support and ecosystem
Best For:
Boaters with existing Garmin navigation systems
High-end fishing boats and yacht applications
Those who want full ecosystem integration
Advanced features and customization options
Fell Marine vs. Garmin: Which MOB System is Right for You?
Feature Fell Marine MOB+ Garmin MOB1
Price More affordable Premium pricing
Ease of Setup Simple, universal Requires Garmin compatibility
Water Detection Excellent Excellent
Integration Works with most systems Best with Garmin systems
Wearable Design Compact watch-style Premium design
Best For Budget-conscious, universal boats Garmin users, advanced features
Our Recommendation
Choose Fell Marine MOB+ if:
You want wireless MOB technology at an accessible price point
You have various brands of marine electronics
You prioritize simplicity and universal compatibility
This is your first wireless MOB system
Choose Garmin MOB1 if:
You already use Garmin navigation systems
You want full ecosystem integration
You want advanced features like SOS buttons and waypoint creation
You’re outfitting a high-end or fishing-specific vessel
The Real-World Impact: Why MOB Systems Matter
Consider this scenario: A captain is running a 30-foot fishing boat off the Florida coast with clients aboard. The seas are calm, but conditions change fast. A crew member turns to grab a rod, loses their footing, and goes overboard.
With a traditional lanyard: The clip might not detach properly, or it detaches but the switch fails. The boat continues at full throttle in circles, the rescue becomes chaotic, and what should have been a quick retrieval turns into a nightmare.
With a wireless MOB system: The moment the crew member hits the water, the system detects immersion and shuts the engine. The GPS marks the exact location on the chartplotter. The captain immediately knows what happened and can execute an organized rescue. Minutes matter in water rescue—this system could be the difference between a safe return and a tragedy.
Installation & Compatibility
Both Fell Marine and Garmin MOB systems are designed for straightforward installation:
Fell Marine MOB+
Pairs directly with your boat’s Bluetooth-enabled systems
Works with most modern outboards (Yamaha, Mercury, Suzuki, etc.)
Can be installed by boat owners or professionals
Right Side Marine offers installation services throughout Brevard County
Garmin MOB1
Requires compatible Garmin chartplotter or EPIX device
Professional installation recommended for full system integration
Right Side Marine is an authorized Garmin dealer with certified technicians
Expert consultation available to ensure perfect setup
Not sure if your boat is compatible? Contact Right Side Marine for a free consultation. Our marine electronics experts can assess your current setup and recommend the perfect MOB system for your vessel.
Frequently Asked Questions
Q: Do I have to wear the wearable for the MOB system to work? A: Yes. The wearable must be on the operator for the system to provide protection. Think of it like a life jacket—you have to be wearing it for it to save you. Most boaters wear theirs as a watch or clip it to their belt.
Q: What’s the battery life on wireless MOB wearables? A: Most systems offer 7-14 days of battery life per charge, depending on usage. Daily charging (like your phone) is typical for active boaters.
Q: Can my boat have multiple MOB wearables? A: Yes! Most systems support multiple wearables so every crew member can have protection.
Q: Will a wireless MOB system work with my older boat? A: It depends on your engine and electronics. Fell Marine systems are more universally compatible. Garmin requires compatible systems. Our team can help determine compatibility—reach out today.
Q: Is wireless MOB technology reliable in saltwater? A: Absolutely. Both Fell Marine and Garmin systems are specifically engineered for harsh marine environments, including saltwater exposure. They use corrosion-resistant materials and waterproof electronics.
The Bottom Line
Man Overboard systems have evolved from simple mechanical switches to intelligent, connected safety devices that can literally save lives. Whether you choose the universal compatibility of Fell Marine’s MOB+ or the full-featured integration of Garmin’s MOB1, upgrading from a traditional lanyard to wireless technology is one of the smartest safety investments you can make.
Your life is priceless. Your boat’s safety systems should be too.
Ready to Upgrade Your MOB System?
Right Side Marine is your authorized dealer for both Fell Marine and Garmin marine electronics. We offer:
✓ Expert consultation to find the right system for your boat
✓ Professional installation services (Brevard County)
✓ Nationwide shipping for online orders
✓ Pre- and post-installation support
