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Uniden Atlantis 275 Handheld VHF Marine Radio

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Overview

The Uniden Atlantis 275 Marine Radio delivers 6 watts of big-ocean power in a compact, floating handheld design. Built tough with IPX8 waterproofing, this submersible radio not only floats but also clears water from its speaker using a vibrating tone. With the largest LCD screen in its class, dual-color backlighting for day/night use, and emergency features like a strobe light and flashlight, it's built for safety and reliability on the water. Supporting USA/Canada/International VHF channels and NOAA weather alerts, the Atlantis 275 is the perfect handheld VHF radio for boaters, sailors, and marine professionals who need dependable communication at sea.

Key Features & Specifications
  • Brand: Uniden
  • Model: Atlantis 275
  • Channels: 25 Marine VHF Channels (USA, Canada & International, including 4-digit and Canadian "B" channels)
  • Frequency Range: 156-174 MHz
  • Transmit Power: Selectable 1W / 2.5W / 6W for flexible communication range
  • Range: Up to 36 miles (depending on terrain and conditions)
  • Waterproof Rating: IPX8/JIS8 Submersible - up to 1.5m depth for 30 minutes
  • Design: Floating handheld radio with water-clearing vibrating speaker tone
  • Display: Largest LCD screen in class with dual backlight (white for day, red/orange for night)
  • Safety Features: Emergency strobe light + built-in flashlight
  • Weather Alerts: Receives NOAA weather channels and alerts
  • Battery: Built-in Li-ion rechargeable battery pack (included)
  • Battery Life: Up to 10 hours per charge
  • Charging: Includes AC & DC charging cables + charging cradle
  • Dimensions: 9.6" D x 6.6" W x 2.9" H
  • Weight: 1.5 lbs
  • Warranty: 3-Year Manufacturer & Waterproof Warranty

FAQs

How powerful is the Uniden Atlantis 275 compared to the Atlantis 155?
The Atlantis 275 offers 6W max transmit power (vs 3W on the Atlantis 155), giving it a much longer communication range (up to 36 miles).
Does the Atlantis 275 float and is it waterproof?
Yes, it floats and is IPX8/JIS8 rated, meaning it can be submerged in 1.5m of water for 30 minutes without damage.
What emergency features are included?
It includes an emergency strobe light and built-in flashlight, plus a vibrating speaker tone that clears water from the speaker cavity.
Does it support NOAA weather alerts?
Yes, it receives all NOAA weather channels and emergency alerts.
How long does the battery last?
The rechargeable lithium-ion battery provides up to 10 hours of operation per charge.
What charging options are included?
It comes with a charging cradle, AC adapter, and DC charging cable, making it easy to charge at home, on a boat, or in a vehicle.
Can I adjust the transmit power?
Yes, you can select between 1W (short range), 2.5W (medium range), and 6W (long range) depending on your needs.
Is it suitable for international boating?
Yes, it supports all USA, Canada, and International VHF channels, including new 4-digit and Canadian "B" channels.
How big is the screen compared to other radios?
It features the largest LCD in its class (30mm x 40mm) with dual backlighting for easy reading day or night.
What kind of warranty does it come with?
The Atlantis 275 is backed by a 3-year manufacturer warranty plus a 3-year waterproof warranty.

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