Standard Horizon HX400IS
Standard Horizon HX400IS
Standard Horizon HX400IS
Standard Horizon HX400IS

Standard horizon hx400IS

The Standard Horizon HX400 series is a professional‑grade handheld VHF marine radio built for reliability, durability, and clear communication in demanding environments. Compact yet powerful, the HX400 delivers 5 watts of transmit power, loud audio output, and extended battery life, making it ideal for long days on the water. Its rugged design is IPX7 waterproof, ensuring dependable performance even in harsh marine conditions.

For users working in hazardous environments, the HX400IS model offers intrinsically safe certification, providing secure communication where explosive atmospheres may be present. Both models feature programmable channels, scanning functions, dual/triple watch, and intuitive controls for ease of use. Backed by Standard Horizon’s reputation for innovation and marine safety, the HX400/HX400IS is trusted by recreational boaters, commercial operators, and industrial professionals worldwide.

  • Intrinsically safe (HX400IS only)
  • Submersible IPX8 (4.92 feet or 1.5 meters for 30 minutes)
  • Selectable 5 or 1 Watt transmit power output
  • Noise Cancelling Microphone
  • 40 Programmable Land Mobile Channels 134 MHz to 174 MHz with CTCSS and DCS signaling
  • Programmable channel names
  • NOAA Weather channels and Weather Alert
  • Low battery indicator
  • Built in Voice Scrambler for private communications
  • All USA, International and Canadian Marine Channels
  • Optional speaker microphones and headsets available
  • Supplied with 2550mAh Li-Ion battery, and 110 VAC 3-hour quick charger
  • Programmable Scan, Priority Scan, Tri-watch and Dual Watch
  • Preset key used to recall up to 10 favorite channels
  • Key lock

  • GENERAL
    Frequency Range (MHz) Marine Band/ WX Band: 156.025 MHz - 163.275 MHz
    LMR Band: 134.000 MHz - 174.000 MHz
    Number of LMR Channels 40 (Programmable) / Analog Mode Only
    Channel Steps 25 KHz (25.0/12.5 KHz LMR)
    Frequency Stability ±2.5 ppm (-30° C to 60° C)
    Emission Type 16KOG3E, 16KOF3E, 11KOF3E
    Antenna Impedance 50 Ohms
    Supply Voltage 7.4 V DC
    Current Consumption 320 mA (Receive), 50 mA (Standby)
    TX: 1.6 A (H) 0.8 A (L)
    Operating Temperature -30° C to +60°C
    Waterproof rating IPX8 (1.5 m for 30 minutes)
    Case Size (W x H x D) 57 x 133 x 40 mm w/0 knob & antenna
    Weight (Approx.) 350 g with FNB-115LIIS
    TRANSMITTER
    RF Output Power 5W/ 1W (@7.4 V)
    Maximum Deviation ±5 kHz (Wide)/ ±2.5 kHz (Narrow)
    Spurious Emission At least -36 dBM below
    Microphone Impedance 2 k-Ohm
    RECEIVER
    Circuit Type Double-Conversion Superheterodyne
    Sensitivity 0.25 µV 12 dB SINAD
    Adjacent Channel Selectivity 70 dB (Wide)/ 60 dB (Narrow)
    Intermodulation Response 68 dB (typical)
    Selectivity 12 kHz/ 25 kHz (-6 dB/ -60 dB) (Wide)
    6 kHz/ 18 kHz (-6 dB/ -60 dB) (Narrow)
    AF Output(Internal SP) 700 mW @ 16 Ohm for 10% THD (@7.4 V)



Standard Accessories in package

  • Antenna, Belt Clip
  • SBR-45LIIS Lithium-ion battery pack
  • 220V Desktop Rapid Charger
  • Operating Manual
  • Programming inclusive if required

Optional Accessories

  • CLIP-22 Belt Clip – secure carrying option
  • SHC-18 Leather case with shoulder strap (Fits HX380, HX400, HX400IS)
  • FNB-29LIIS Rechargeable Lithium-Ion Battery Pack (Old model)
    SBR-45LIIS Rechargeable Lithium-ion Battery Pack
  • SBH-36 AC Charger Adapter – wall charging solution
  • SAD-24 Power Adapter 220V
  • E-DC-30 DC Cable – 12V charging from boat or vehicle
  • CMP460 Remote Microphone
  • MH-73A4B Submersible Remote Microphone
  • SSM-14 Submersible Remote Microphone with ear jack
  • Earphone/Microphone accessories – optional audio accessories
  • CAT460 VHF Replacement Antenna – spare or replacement part

     

VARIANTS

  • HX400 - Non Intrinsically safe