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The SAILOR Compact VHF DSC RM2042 is a Digital Selective Calling (DSC) modem designed to work with the SAILOR RT2048 VHF radiotelephone, adding DSC functionality for enhanced maritime communication. Below are its key details:
Key Features
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Functionality: Acts as a VHF DSC receiver modem, enabling encoded/decoded DSC messages for ship-to-ship, ship-to-shore, and shore-to-ship communication. Supports distress alerting, safety calls, and routine calls as part of the Global Maritime Distress and Safety System (GMDSS).
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Compatibility: Designed for use with SAILOR RT2048 VHF radio (serial number 448756 or higher; older units may need a CPU modification). Provides fully automatic DSC operation via a serial interface with S.P. Radio VHF transceivers.
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Interfaces:
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Serial interface for automatic DSC operation with compatible VHF radios.
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NMEA 0183 for integration with navigational equipment.
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600-ohm balanced output and key information for non-serial VHF units.
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Supports connection to a Centronics-compatible printer for logging received calls.
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Features:
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Automatic Transmitter Identification Service (ATIS) for Rhine radiotelephone service.
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Remote alarm box support for distress call control and urgency message indication.
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Complies with CCIR Rec. 493-4, Rec. 689, and Rec. 541-3 for VHF Class A DSC equipment.
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Power: Typically operates on 12V DC (storage battery), with some configurations supporting 24V DC or AC via external power supplies.
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Design: Compact, table-model unit with no built-in display; relies on the RT2048 or external equipment for operation. Weighs approximately 3.1 kg.
Price and Availability
The SAILOR RM2042 is an older model, often available as used or reconditioned equipment. Recent listings include:
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eBay: Used units from sellers like Move Marine and Blue Marine, with prices ranging from $236.55 to $474.05, often with free expedited international shipping. Some listings offer local pickup for $25.00 or standard shipping for $115.00. Sellers note a 90-day guarantee and 60-day returns.
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Marine Electronics Suppliers: Companies like BME Marine Services (Turkey/Germany) and Polaris Electronics (Denmark) stock reconditioned units or spares, with immediate inquiry responses. Move Marine emphasizes tested equipment with global shipping.
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Stock Status: Some suppliers (e.g., Move Marine) list it as out of stock, with waitlist options.
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Recommendations: Polaris Electronics suggests replacing the RT2048/RM2042 combo with the SAILOR 6222 VHF DSC Class A for modern installations due to its advanced features and compliance with newer GMDSS standards.
For current pricing, check eBay, Move Marine, or contact suppliers like Polaris Electronics or BME Marine Services directly, as prices fluctuate based on condition and location.
Additional Notes
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Condition: Most available units are used or reconditioned, fully tested by suppliers.
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Installation: Requires integration with the RT2048 and may need professional setup for DSC programming and NMEA 0183 connections.
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Manuals: Operator and technical manuals are available online for setup and service guidance.
Anything specific you’d like to know, like setup details, compatibility with other equipment, or sourcing spares?
