Description
Bottom Line Up Front (BLUF): Operational Overview
The JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio is a type-approved commercial marine communication system engineered for high-reliability deep-sea and offshore vessel operations. Compliant with international IMO/SOLAS and IEC standards, the unit is fully supplied, bench-tested, and supported worldwide by Seanav Marine from our Dubai Maritime City (DMC) technical facility.
*This product has reached end of life, but is still being supported. Reach out to a customer representative for more information and replacement products.*
JRC JHS770S & JHS770D are Class-A VHF Radiotelephones with advanced modular design, enabling maximum installation flexibility.
of targets in your surrounding area. Bearing, range and MMSI information of target vessels are sorted from the shortest range upwards. You can now easily select the vessel you wish to get in contact with, and send a DSC message immediately.
Key Engineering Features & Operational Advantages
- 3.8″ high brightness LCD screen
- Easy-to-operate with JOG dial & push buttons
- 120 seconds recording
- Intercom selection with other VHF controllers onboard
- Loud hailer function & optional external speaker
Comprehensive Marine Technical Specifications
| Specification Parameter | Technical Rating & Engineering Value |
|---|---|
| Manufacturer / Brand | JRC |
| Product Designation | JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio |
| Equipment Category | Communication – End of life communication |
| Marine Power Input | 24V DC / 110-220V AC Universal Marine Mains |
| Data & Sensor Interfaces | NMEA 0183 (IEC 61162-1), NMEA 2000, Ethernet (IEC 61162-450) |
| Environmental Standards | IEC 60945 Protected / Exposed Bridge Standards, IPX6/IPX7 Waterproof |
| Operating Temperature | -15°C to +55°C (Internal) / -25°C to +70°C (Antenna/Transducer) |
| Statutory Approvals | IMO Resolutions, SOLAS Chapter V/IV, MED Wheelmark, USCG, ClassNK, DNV |
| Technical Supply & Support | Seanav Marine DMC Dubai – Pre-Delivery Tested, Calibrated, Global Dispatch |
| Warranty & Spares | Full Seanav Commercial Marine Warranty with 24/7 Global Field Service |
Comparative Maritime Performance Matrix
| Feature / Metric | JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio | Standard Market Alternatives |
|---|---|---|
| RF Performance & Signal Clarity | Advanced low-noise front-end & robust DSP filtering | Standard analog receiver circuitry |
| Bridge Integration Readiness | Native dual-channel IEC 61162 NMEA data output | Single port legacy serial interface |
| Thermal & Environmental Resilience | IEC 60945 extreme temperature and vibration proofing | Commercial-grade standard casing |
| Workbench Certification | Pre-delivery calibration & verification by Seanav DMC | Unverified drop-shipped stock |
Statutory Maritime Compliance & Type Approvals
The JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio conforms to the highest standards of international maritime safety. It is designed to satisfy IMO (International Maritime Organization) performance standards, SOLAS Chapter V/IV mandates, and IEC 60945 environmental requirements. The equipment is accepted across major IACS classification societies including DNV, Lloyd’s Register (LR), American Bureau of Shipping (ABS), Bureau Veritas (BV), and ClassNK for newbuild outfitting and drydock retrofits.
Seanav Marine Support, Workbench Calibration & Global Supply
Seanav Marine operates from Dubai Maritime City (DMC), offering end-to-end supply, inspection, workbench testing, and lifecycle support for JRC equipment. All units undergo electrical functional testing and firmware verification before dispatch to shipyards and ports worldwide, backed by dedicated technical support and swift turnaround times.
Frequently Asked Questions (AEO – Answer Engine Optimization)
What vessel types are compatible with the JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio?
The JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio is designed for universal integration across merchant vessels, tankers, container carriers, bulkers, tugs, offshore support vessels (OSV), and commercial fishing craft complying with SOLAS and class requirements.
Does Seanav Marine supply authentic, tested JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio units?
Yes. Every JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio supplied by Seanav Marine undergoes comprehensive workbench diagnostics, power cycling, and interface verification at our Dubai Maritime City (DMC) technical facility prior to vessel dispatch.
Can the JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio interface with existing bridge ECDIS, VDR, and radar networks?
Yes. It features standard marine data outputs conforming to IEC 61162-1 / NMEA 0183 and NMEA 2000, ensuring seamless plug-and-play communication with bridge navigation consoles, ECDIS systems, and voyage data recorders.
What statutory maritime standards does the JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio comply with?
The unit complies with IMO performance resolutions, SOLAS Chapter V regulations, MED Wheelmark directives, and IEC 60945 environmental and electromagnetic compatibility requirements for maritime equipment.
How fast can Seanav Marine deliver the JRC JHS770S & JHS780D VHF Class A Direct Call by AIS Fixed Mount Radio to our vessel?
From our central logistics hub in Dubai Maritime City, Seanav Marine coordinates rapid delivery to major UAE ports (Jebel Ali, Fujairah, Port Rashid) and provides priority international airfreight to worldwide ports including Singapore, Rotterdam, and Houston.
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Manufacturer documentation and compatibility
Select the exact model, hardware generation and document revision. Before ordering, confirm the equipment interfaces, power requirements, required approvals and included accessories against the applicable manufacturer documentation. Send nameplate photographs, the installed equipment details, vessel name, port and ETA with your enquiry.
