Standard Horizon HX400IS Intrinsically Safe Handheld Marine VHF Radio
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Built for demanding commercial and marine environments, the Standard Horizon HX400IS Intrinsically Safe Handheld Marine VHF Radio combines rugged construction, powerful communications, extended battery life, and advanced safety features in a portable design.
The HX400IS is IPX8 submersible to 4.92 ft. (1.5 m) for up to 30 minutes and provides selectable 5W or 1W transmit power. It comes pre-programmed with USA, Canadian, and International Marine VHF channels along with NOAA and Canadian weather channels.
For demanding work environments, the HX400IS also supports up to 40 dealer-programmable Land Mobile Radio channels and features a built-in noise-canceling microphone, voice scrambler, powerful 700mW speaker, and bright LED distress strobe.
Key Features
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Intrinsically safe handheld VHF radio
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IPX8 submersible construction
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Submersible to 4.92 ft. / 1.5 m for up to 30 minutes
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Selectable 5W or 1W transmit power
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2550mAh lithium-ion rechargeable battery
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Approximately 17 hours of battery operation
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3-hour rapid charging
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USA, Canadian, and International Marine VHF channels
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NOAA and Canadian weather channels
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Weather Alert
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Up to 40 dealer-programmable Land Mobile Radio channels
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Land Mobile frequency range of 134–174 MHz
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CTCSS and DCS signaling
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Built-in noise-canceling microphone
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Built-in voice scrambler
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700mW internal speaker
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Programmable channel names
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Programmable Scan
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Priority Scan
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Dual Watch
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Up to 10 favorite-channel presets
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Low-battery indication
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Key lock
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Speaker microphone/headset connection
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Bright LED distress strobe
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AC and DC quick chargers included
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3-year waterproof warranty
IPX8 Submersible Protection
The HX400IS is designed for demanding marine and commercial environments and carries an IPX8 submersibility rating.
The radio is rated for submersion to:
4.92 ft. / 1.5 m for up to 30 minutes
This provides additional protection for use around boats, docks, waterways, and other wet working environments.
Selectable 5W / 1W Transmit Power
Choose between 5-watt and 1-watt transmit power depending on your communication requirements.
The selectable output provides flexibility for both higher-power communications and situations where reduced transmit power is appropriate.
2550mAh Lithium-Ion Battery
A supplied 2550mAh lithium-ion battery provides approximately 17 hours of operation, according to Standard Horizon.
Actual operating time can vary depending on transmitting, receiving, scanning, environmental conditions, battery condition, and other usage factors.
3-Hour Rapid Charging
The HX400IS includes a 3-hour rapid charging system, reducing downtime when the battery needs to be replenished.
Both AC and DC charging capability are supplied with the radio.
Marine VHF Channels
The HX400IS comes factory programmed with:
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USA Marine VHF channels
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Canadian Marine VHF channels
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International Marine VHF channels
This gives users access to the marine channels required for compatible marine communication applications.
40 Programmable Land Mobile Channels
In addition to its marine capability, the HX400IS supports up to 40 Land Mobile Radio channels across the specified 134–174 MHz frequency range with CTCSS and DCS signaling.
Land Mobile channels must be programmed by a Standard Horizon dealer, and operation on these frequencies may require the appropriate FCC or other applicable authorization or license.
NOAA Weather Channels & Weather Alert
Dedicated weather functionality provides access to 10 NOAA and Canadian weather channels.
The HX400IS can also monitor weather channels and provide an audible alert when applicable storm advisories are received.
Noise-Canceling Microphone
A built-in noise-canceling microphone is designed to improve transmitted voice clarity in noisy and windy environments.
This is especially useful around boats, machinery, job sites, and other environments where background noise can interfere with communications.
Built-In Voice Scrambler
The HX400IS includes an integrated voice scrambler for compatible communications.
The internal scrambler is designed for compatibility with Standard Horizon fixed-mount and handheld VHF radios using compatible 4-code scramblers.
700mW Speaker
A 700mW internal speaker provides strong audio output for environments where surrounding noise can make radio communications difficult to hear.
Programmable Scanning
Multiple scanning options allow the radio to be configured for different monitoring requirements.
Available functions include:
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Programmable Scan
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Priority Scan
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Dual Watch
10 Favorite Channel Presets
A dedicated preset function allows quick access to as many as 10 favorite Marine VHF or NOAA Weather channels.
Programmable Channel Names
Marine channels come preloaded with descriptions to make commonly used channels easier to identify.
Channel names can also be customized for easier recognition and operation.
Battery Level Indicator
The display incorporates a battery-level bar graph so users can monitor the remaining battery charge during operation.
Accessory Connection
A speaker microphone connection supports compatible optional speaker microphones and headsets for applications where additional communication accessories are needed.
LED Distress Strobe
An integrated bright LED distress strobe adds an additional visibility and signaling feature for marine and emergency situations.
Ideal For
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Commercial marine operations
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Boating
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Marine communications
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Work boats
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Fishing vessels
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Marinas
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Dock operations
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Marine contractors
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Industrial marine environments
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Emergency preparedness
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Professional field communications
Specifications
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Brand: Standard Horizon
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Model: HX400IS
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Product Type: Handheld Marine VHF Radio
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Intrinsically Safe: Yes
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Marine Channels: USA / Canadian / International
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Land Mobile Channels: Up to 40 Dealer-Programmable Channels
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Land Mobile Frequency Range: 134–174 MHz
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Land Mobile Signaling: CTCSS / DCS
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Weather Channels: NOAA & Canadian
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Weather Alert: Yes
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Transmit Power: Selectable 5W / 1W
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Water Protection: IPX8
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Submersion Rating: 4.92 ft. / 1.5 m for 30 Minutes
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Battery: 2550mAh Lithium-Ion
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Approximate Battery Operation: 17 Hours
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Rapid Charging Time: Approximately 3 Hours
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Speaker Output: 700mW
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Noise-Canceling Microphone: Yes
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Voice Scrambler: Built-In
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Programmable Channel Names: Yes
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Programmable Scan: Yes
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Priority Scan: Yes
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Dual Watch: Yes
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Favorite Channel Presets: Up to 10
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LED Distress Strobe: Yes
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Key Lock: Yes
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Battery Level Indicator: Yes
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Speaker Microphone Connection: Yes
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Warranty: 3-Year Waterproof Warranty
Package Includes
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1 × Standard Horizon HX400IS Handheld VHF Radio
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1 × 2550mAh Lithium-Ion Battery
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1 × AC Quick Charger
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1 × DC Quick Charger
Optional speaker microphones and headsets are sold separately.
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⚠️ Product Disclosures
🚚 Shipping Information
Shipping charges are calculated at checkout based on the product, destination, and supplier.
⚠️ Battery Notice
Contains rechargeable or disposable batteries. Follow all manufacturer charging, storage, and disposal instructions.
🔋 Lithium-Ion Battery Notice
This product contains a rechargeable lithium-ion battery. Due to transportation regulations, ground shipping may be required. Additional shipping charges, destination restrictions, or longer delivery times may apply.