With Class-D DSC Modem and CH70 watch receiver

The FM-4721 is a rugged, reliable 1 W and 25 W radio with built-in DSC functionality built to withstand the harshest conditions that may be encountered at sea. Its compact, waterproof case design allows a simplified installation on steering console, helm or flybridge.

  • 25 W or 1 W RF Output Power
  • Built-in DSC meets Class D ITU-R M493-11/EN 301 025 requirement
  • Class D DSC with Distress, Individual and All Sip calls
  • Navigation information (LAT/LONG, SOG, COG) information shown on display*
  • Navigate to a DSC Distress Position*
  • ATIS mode available for inland waterway
  • Automatic DSC Position Poll request to up four separate vessels
  • 30 W PA/Loudhailer with pre-programmed fog signals and listenback facility
  • Two Handsets (Remote control speaker/microphone with display) are available
  • Easy channel selection with large rotary control
  • Quick access to channel 16/9 Key
  • Features a large alphanumeric keypad

* Requires connection to external GPS

Technical Specification

  • FREQUENCY RANGE : 156.025 to 157.425 MHz (TX), 156.050 to 163.275 MHz (RX)
  • MODE : FM (16K0G3E), DSC (16K0G2B)
  • DSC (Class D) : ITU-R M493-12 EN 301 025
  • RF OUTPUT POWER : 25 W (Hi) or 1 W (Low)


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