The Standard Horizon HX400 is a rugged, submersible 5-watt handheld VHF radio built for serious boaters and professional crews. With a built-in voice scrambler, noise‑canceling microphone, and a broad suite of marine and land-mobile channels, it delivers clear, private communications in challenging conditions.
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Transmit Power Options: 5/2.5/1 watt transmit power to adapt to distance and interference in any situation.
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Submersible Build: JIS-8 rated, 1.5 m (4.92 ft) water immersion protection for up to 30 minutes.
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Built-in Voice Scrambler: Private conversations without additional accessories; compatible with Standard Horizon scramblers.
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40 LMR Channels with CTCSS/DCS: Private or shared communications with signaling; licenses may be required.
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Pre-programmed Channels: All USA/International and Canadian Marine Channels pre-programmed, plus NOAA Weather channels with Weather Alert.
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Noise-Canceling Microphone: Clearer transmissions in windy or noisy environments.
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Advanced Scan Features: Programmable Scan, Ch16 Priority Scan, and Dual Watch to monitor multiple channels.
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Channel Labeling & Quick Access: Channel names for quick identification and an 8-channel preset key for instant access.
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Power & Battery: 2550 mAh Li‑Ion battery for long talk time, paired with a 3-hour rapid charger.
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Charging & Accessories: Heavy-duty belt clip, 110 VAC and 12 VDC rapid chargers with a drop-in cradle for flexible charging options.
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Rugged Warranty: 3-year waterproof warranty for added peace of mind.
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Frequency Range: 134–174 MHz with CTCSS/DCS signaling, covering extensive marine and land-mobile needs.
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Loud Speaker: 700 mW speaker to cut through engine noise and wind.
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Licensing Note: 40 LMR channels may require the appropriate Federal Communications Commission license.
The HX400 helps crews stay connected when it matters most. Built-in scrambler enables private conversations, NOAA Weather channels keep you informed of conditions, and the comprehensive channel lineup supports both marine and land-mobile use. With multiple power levels, a long-lasting battery, and rapid charging, you’ll stay on the air longer and back in action quickly. Intuitive channel labeling and a quick-access preset key streamline critical communications, while the rugged, waterproof design is engineered to perform on deck, in swells, or inland waterways.
