Garmin VHF 300i AIS

Marine Radio Receiver with Multi-station Support, Voicemail Feature and Automatic Identification System Technology (010-00757-00)


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Product Features:
  • Marine Radio Receiver with International Usage
  • Provides flexibility and convenience any mariner needs to safely navigate and communicate on the open waters
  • Dedicated key for easy, one-touch access to Channel 16
  • Up to 25 watts of transmit power, selectable between 1 and 25 watts
  • Position tracking for up to three other boats
  • Includes a 4" active speaker with volume knob, built-in speaker on GHS 10 or optional third-party passive speaker
  • Automatic Transmitter Identification System (ATIS) support
  • Capable of presetting private channels
  • Position Tracking feature allows a mariner to locate and keep tabs on up to 3 other boats in the area
  • Automatic Identification System (AIS) provides collision avoidance for water transport by showing speed, location, and other vessels in the water
  • Multilingual user interface with English, French, Italian, German, and Spanish languages
  • Local receiver mode to improve receiver performance in busy port environments
  • Two-way, 30W hailer system for communication with others boats or deckhands
  • Patent-pending voicemail feature allows user to pre-record a 15-second message and deliver to any Digital Selective Calling radio
  • May also be used as an on-boat intercom if multiple stations are aboard vessel
  • GHS 10 Handset microphone included allows full radio control from remote location
  • Features a clear 2" LCD display, dedicated rotary key, and 3 soft buttons for dynamic controls
  • Additional capabilities with NMEA 2000 compatible Garmin chart plotters and Garmin autopilot system
  • Supports Garmin GHS full-function handsets
  • Black box configuration allows mounting of unit virtually anywhere
  • Digital Selective Calling provides distress calls with the push of a button
  • Relocatable microphone and speaker
  • Hailer and foghorn output at 30 watts with automatic/manual foghorn signals and adjustable base-fog frequencies
  • 1-year Manufacturer's warranty
  • Note: The International frequency band is the only band available for this unit and the VHF 300i

Product Specifications:
  • Waterproof: Yes
  • Temperature Range: 14° F to 122° F (-10° C to 50° C)
  • Compass-safe Distance: 20 inches (500 mm)
  • Digital Selective Calling: Class D
  • Frequency Bands: All USA, Canadian, and International marine channels
  • Operating Voltage: 10.8 to 15.6V DC (12V DC boat battery)
  • Current Drain:
    • Transmit (High Power): 6 A max
    • Transmit (Low Power): 2 A max
  • Transmitter Power (at 13.6V DC):
    • High Power: 25W
    • Low Power: 1W
  • Full Function Handset: Impedance 4 ohm; Input power 4W
  • Duty Cycle: 5% Transmit; 5% Receive; 90% Standby
  • External Speaker: Output power 4W
  • Dimensions: 2-1/2"D x 9-3/4"W x 7-1/16"H
Package Includes:
  1. VHF 300i AIS
  2. GHS 10
  3. Active Speaker
  4. Power Cable
  5. Deck Cable (10 meters)
  6. Mic Hanger
  7. Mounting Hardware
  8. Documentation

Radio Specifications

Radio Type
Determines the frequency ranges that the radio operates on. Different spectrum ranges are allotted for each type and each type has its own rules and regulations regarding transmissions.
Intended Radio Use

This is the intended use of the radio.

Car: This means that the radio is for use in a vehicle. These radios usually come with mounting and installation accessories for vehicles. Please verify with the product's description for more detailed information.

Marine: This means that the radio is intended for use on the boat or for marine applications. This means that he radio itself is typically treated for marine environments and includes marine accessories. Please see the product description for more information.

Portable: These radios are intended for use on the go and can be carried in your hand. Some portable radios can be used in other applications, such as on a boat or in a car.

Some radios are waterproof and can withstand being submerged in water to certain depths.
Power Output
Measurement of the power output of the radio using. This is determined by measuring the signal strength at the base of the antenna. Each type of radio has a limitation on how high the wattage can be without the need for an FCC license.
Power Source
The power source is the method in which the unit receives power. Some units will be powered by batteries, while others will need to be plugged in to an AC or DC power source.
Integrated 12V DC
Primary Color
This is the main color of the item.

Handheld Radio Specifications

Built-In NOAA Receiver
CB radios with this feature have the ability to access local NOAA radio stations for real-time weather reports and updates. CB radios equipped with multiple NOAA channels allow users to select the clearest channel to monitor weather conditions.
Number of Weather Channels
Radios with a built-in NOAA receiver can have multiple weather channels in order to find the clearest channel.
Illuminated / Backlit Display
Some models include a backlit radio display for convenient operation at night. This is an invaluable feature if a radio will be used extensively at night or in dark conditions.
AM/FM Tuner
Adjustable Output Power
Allows users to increase or decrease the transmit power of the CB radio. At a higher transmit power the signal will travel farther. In battery powered radios, users may want to lower the transmit power in order to increase battery life.
Squelch Control
Changes the sensitivity of your CB radio to adjust for whatever signal strength you may be receiving. Lower squelch levels will allow you to receive transmissions from a greater distance, but these transmissions will contain more background noise. Higher squelch levels reduce the background noise, but will eliminate some weaker transmissionsl. In effect, it keeps the receiver from constantly having to listen to static and only activates the speaker when a transmission is received.
Voice Activation
Call Alert (2-Way Radios and CB Radios)
Signal Strength Meter
This feature displays the strength of the received or transmitted signal.
Selectable Call Tones
Lock Mode
Channel Scanning
primarily for recreational purposes, allows you to automatically scan all available CB channels for activity, ensuring you'll know of anything happening on the airwaves.
Dual Watch
Allows you to monitor two channels at once.
Privacy Codes
Emergency Crank
External Speaker Output
Microphone Input

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

star sailor

United Kingdom

what a disappointment

September 20, 2011

An expensive piece of kit which does not switch between international/USA and Canadian vhf channels. Useless for international travelling and atlantic crossing yachts. Clearly America and Canada are not international. Does it really cost that much in China for the extra electronic circuitry?

Also it might have AIS, but it has no way of displaying the info without a chart plotter and no info on set up ...unless you happen to have a Garmin chartplotter!. And you have to programme the nmea reception you 30 in effectively a 34 page manual and no prompt; just no position info available; which is why you spend time checking all your connections and going slightly crazy.

Apart from that, which is why I purchased it; neat and easy to fit and user friendly and covered up the holes left by my Sailor vhf handset....another piece of expensive junk.

10 of 11 found this helpful

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Garmin VHF 300i AIS

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Garmin VHF 300i AIS

Marine Radio Receiver with Multi-station Support, Voicemail Feature and Automatic Identification System Technology (010-00757-00)


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