When you're out on the water, reliable communication isn't just convenient—it's a safety necessity. While marine VHF radios are common, a 25-watt GMRS repeater system like the RT97L offers superior range and flexibility for boaters, marinas, and coastal communities. With IP66 waterproof durability and powerful 25W output, this setup keeps you connected even when cell service fails.
This guide explains why GMRS repeaters are ideal for marine use and how to set up an effective system for your boating needs.
GMRS signals travel remarkably well over water due to minimal obstructions
A 25W repeater like RT97L can achieve 15-30 mile ranges on open water
Outperforms handheld VHF radios in many coastal scenarios

Maintains communication when you're beyond cell tower coverage
Doesn't rely on infrastructure that can fail during storms
The RT97L is built to withstand:
Salt spray and humidity
Heavy rain and waves
Extreme marine temperatures
Communicate between multiple boats in a fleet
Connect boat-to-shore for marina operations
Ideal for fishing tournaments and regattas
Repeater: RT97L (25W, IP66 waterproof)
Antenna: marine-grade omnidirectional antenna
Mounting: Stainless steel mast or radar arch mount
Power: 12V marine battery connection with waterproof wiring
On boats: Mount antenna at highest practical point (radar arch or mast)
For marinas: Install on dock pilings or shore towers for maximum coverage
Always ensure proper grounding for lightning protection
Simple FCC GMRS license covers your entire family/crew
No marine operator permit required (unlike VHF)
25W Power: Penetrates through marine conditions
IP66 Protection: Built for harsh marine environments
Compact Size: Fits easily in console or equipment locker
Clear Audio: Noise-canceling for windy conditions
Safety Communications: Distress calls and emergency coordination
Fishing Fleets: Keep charter boats connected
Marina Operations: Dockmaster-to-staff communications
Sailing Regattas: Race coordination and safety
A 25W GMRS repeater system provides boaters with reliable, long-range communication that complements traditional marine VHF. The RT97L's waterproof construction, powerful output, and easy installation make it perfect for marine use where dependable communication can mean the difference between a great day on the water and an emergency situation.
Upgrade your marine communications today—stay connected when it matters most!
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