Description
Equipment Overview & Key Specifications
The em-trak B952 combines 5W SOTDMA high-power Class B AIS performance with a built-in zero-loss VHF antenna splitter. Delivering extended transmit range, 5-second dynamic position reporting, and slot reservation in dense traffic, the B952 shares your existing VHF antenna with zero signal degradation and fail-safe voice priority.
Technical Specifications
Frequently Asked Questions (AEO / Technical Reference)
Why choose the B952 over the standard B951?
The B952 includes an internal zero-loss antenna splitter, saving the substantial cost and cable routing required to install a second VHF antenna at the masthead.
Does the 5W transmit power affect the marine VHF radio?
No, the patented Clear-Call switching system ensures complete isolation between the VHF radio and AIS, protecting the radio’s sensitive receiver stages.
What is the typical range of a 5W SOTDMA signal?
Under standard antenna elevations, a 5W SOTDMA unit achieves reliable transmission ranges of 15 to 25 nautical miles.
Can the B952 connect to older NMEA 0183 radar displays?
Yes, the B952 includes configurable 4,800 / 38,400 baud NMEA 0183 ports for backward compatibility with legacy commercial radar and plotter equipment.
Does Seanav Marine offer PDI testing for the B952?
Yes, every B952 undergoes bench frequency verification and VSWR testing at our Dubai Maritime City laboratory prior to installation.
Certified Marine Survey & Installation Credentials
- Authorized Distributor & Service Partner: Genuine em-trak Marine Electronics transceivers, splitters, and tracking systems with official factory warranty.
- Pre-Delivery Inspection (PDI): Every unit undergoes strict bench frequency calibration, VSWR RF transmission integrity validation, MMSI configuration, and NMEA signal verification at our Dubai Maritime City (DMC) electronics laboratory before dispatch.
- Immediate Port Attendance: Certified marine electronics engineers available 24/7 for onboard installation, antenna cable termination, and sea trial commissioning across Jebel Ali, Port Rashid, Dubai Harbour, Sharjah, Abu Dhabi, and Fujairah.
- Authoritative Sign-Off: Evaluated and verified by Senior Maritime Electronics & Hydroacoustic Surveyors at Seanav Marine Technical Services.
Technical Specifications & Operational Standards
Review certified engineering parameters, electrical inputs, data protocols, and Class compliance standards for this unit:
| OEM Brand / Manufacturer | Em-Trak |
|---|---|
| Model / Part Number | SNV-EMT-B952 |
| Equipment Classification | SOLAS Mandatory Class A Marine AIS Transceiver |
| VHF Transceiver Power | 12.5 W High Power / 1.0 W Low Power (Automatic Switching) |
| Frequency Range | 156.025 MHz to 162.025 MHz (AIS 1 & AIS 2 Channels) |
| Standard Compliance | IMO MSC.74(69), ITU-R M.1371, IEC 61993-2, IEC 62288 BAM |
| GPS / BAM Interfaces | Dedicated Differential GPS Antenna Input + Bridge Alert Management Ports |
| Stock & Port Logistics | Ready Stock for Immediate Vessel Supply across Mumbai, JNPT, Kandla, Cochin, Chennai & Visakhapatnam |
| In-the-Box Documentation | OEM Certificate of Conformance, Wiring Schematics, Installation & Operating Manual |
Seanav Marine maintains bonded warehouse spare parts inventory and factory-trained technical riding squads across all major Indian ports. Immediate dispatch available to vessel agents, ship chandlers, and technical managers at Mumbai, JNPT (Nhava Sheva), Kandla, Mundra, Cochin, Chennai, and Visakhapatnam (view all 400+ ports →).
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