{"product_id":"em-trak-b951-class-b-ais-transceiver-5w-sotdma-part-number-430-0009","title":"em-trak B951 Class B AIS Transceiver, 5W SOTDMA – Part Number 430-0009","description":"\u003cp\u003e\u003cstrong\u003eB951 Class B AIS Transceiver - 5W SOTDMA\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e**As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.**\u003c\/p\u003e\u003cp\u003e\u003ca href=\"http:\/\/productimageserver.com\/banners\/ClassB.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eClick here to download form\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eThe B951 is a high-power (5W SOTDMA) Class B transceiver, delivering advanced performance and ultimate reliability through em-trak's next-gen technology. Small and durable, this trusted transceiver processes all AIS transmissions in real-time, with increased range and transmission priority so you always have the complete picture and the time to respond, even in the busiest waters.\u003c\/p\u003e\u003cp\u003eem-trak's flexible, intelligent connectivity means the B951 can be paired to any chart-plotter and its next-gen GPS receiver and the antenna are already integrated inside the device to provide best-in-class, ultra-low power consumption, and performance. em-trak's unique FLEXI-FIT bracket system completes the package and ensures easy installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCertified AIS Class B  5W SOTDMA\u003c\/li\u003e\n\u003cli\u003eGlobal certification - USCG \/ FCC \/ Canada \/ Europe\u003c\/li\u003e\n\u003cli\u003eSRT-AIS Transceiver Engine for superlative proven performance\u003c\/li\u003e\n\u003cli\u003eFLEXI-FIT bracket system for easy, convenient, and secure installation\u003c\/li\u003e\n\u003cli\u003eInternal high-performance GPS receiver and antenna (external antenna optional)\u003c\/li\u003e\n\u003cli\u003eWater, pressure spray, and damp proof (IPx6, IPx7 certified)\u003c\/li\u003e\n\u003cli\u003eProtected from vibration, shock, and extreme temperatures\u003c\/li\u003e\n\u003cli\u003eSmall and lightweight\u003c\/li\u003e\n\u003cli\u003eUltra-low power consumption  best in class\u003c\/li\u003e\n\u003cli\u003eNMEA 0183  NMEA 2000\u003c\/li\u003e\n\u003cli\u003eAutomated health and performance monitoring\u003c\/li\u003e\n\u003cli\u003eSilent mode (transmit-off) function\u003c\/li\u003e\n\u003cli\u003eEnhanced RF screening to protect against electromagnetic interference\u003c\/li\u003e\n\u003cli\u003eBuilt-in power surge protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePhysical  Environmental Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize (H x W x D): 150 x 115 x 45mm\u003c\/li\u003e\n\u003cli\u003eWeight: 375kg\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -25C to +55C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -25C to +70C\u003c\/li\u003e\n\u003cli\u003eIngress protection: IPx6 and IPx7\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupply voltage: 12V or 24V DC\u003c\/li\u003e\n\u003cli\u003eSupply voltage range: 9.6V - 31.2V DC\u003c\/li\u003e\n\u003cli\u003eAverage current (at 12V): 135mA\u003c\/li\u003e\n\u003cli\u003ePeak current: 2.5A\u003c\/li\u003e\n\u003cli\u003eAverage power consumption (at 12V): 1.6W\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation: NMEA 0183 inputs only, NMEA 2000, VHF antenna port\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConnectors:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVHF antenna: SO-239\u003c\/li\u003e\n\u003cli\u003eGNSS: TNC\u003c\/li\u003e\n\u003cli\u003ePower: 12-way circular multipole\u003c\/li\u003e\n\u003cli\u003eNMEA 2000: 5-way Micro-C connector\u003c\/li\u003e\n\u003cli\u003eUSB: USB Micro-B\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eData Interfaces:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNMEA 0183: 2 x bi-directional ports\u003c\/li\u003e\n\u003cli\u003eNMEA 2000: NMEA 2000 Ed 3.101, LEN=1\u003c\/li\u003e\n\u003cli\u003eUSB: PC virtual com port for NMEA 0183 data\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAIS standards: IEC 62287-1 Ed. 3, ITU-R M.1371.5\u003c\/li\u003e\n\u003cli\u003eProduct safety standards: EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 EN62311:2008\u003c\/li\u003e\n\u003cli\u003eEnvironmental standards: IEC 60945 Ed. 4\u003c\/li\u003e\n\u003cli\u003eSerial data interface standards: IEC 61162-1 Ed 5.0, IEC 61162-2 Ed 1.0\u003c\/li\u003e\n\u003cli\u003eNMEA 2000: NMEA 2000 Ed 3.101\u003c\/li\u003e\n\u003cli\u003eGNSS performance standards: IEC 61108-1 Ed 2.0, IEC 61108-02 Ed 1.0\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGNSS:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSystems supported: GPS, GLONASS, BeiDou, Galileo (two of any combination, three including GPS, Galileo)\u003c\/li\u003e\n\u003cli\u003eChannels: 72\u003c\/li\u003e\n\u003cli\u003eInternal\/external antenna: Internal or optional external antenna\u003c\/li\u003e\n\u003cli\u003eTime to first fix from the cold start: 26s\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVHF Transceiver:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVDL access scheme: SOTDMA\u003c\/li\u003e\n\u003cli\u003eOperating frequency: 156.025MHz - 162.025MHz\u003c\/li\u003e\n\u003cli\u003eChannel bandwidth: 25kHz\u003c\/li\u003e\n\u003cli\u003eReceivers\/transmitters: 2 x receivers, 1 x transmitter\u003c\/li\u003e\n\u003cli\u003eAIS receiver sensitivity (20% PER): -111dBm\u003c\/li\u003e\n\u003cli\u003eAIS transmitter power: 5W (+37dBm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eUser Interface:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eIndicators: Power, transmit timeout, error, silent mode\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 x AIS transceiver\u003c\/li\u003e\n\u003cli\u003e1 x Power and data cable (2M)\u003c\/li\u003e\n\u003cli\u003e1 x FLEXI-FIT mounting bracket\u003c\/li\u003e\n\u003cli\u003eComplete with screws  optional fixing tape\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstrong\u003eThis product may not be returned to the original point of purchase.  Please contact the manufacturer directly with any issues or concerns.\u003c\/strong\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eem-trak B951 Class B AIS Transceiver, 5W SOTDMA\u003c\/strong\u003e delivers reliable vessel identification and tracking for recreational and commercial boats operating in busy waterways. With high-power 5-watt SOTDMA transmission, real-time AIS processing, integrated GNSS capability, and flexible chart plotter connectivity, the B951 helps provide a clearer picture of surrounding AIS-equipped traffic and supports timely decision-making on the water.\u003c\/p\u003e\u003cp\u003eThe B951 combines a compact, durable design with low power consumption and broad connectivity. Its internal GPS receiver and antenna simplify installation, while an optional external antenna is supported when needed. NMEA 0183 and NMEA 2000 interfaces allow integration with compatible marine electronics, and the FLEXI-FIT mounting bracket provides a convenient, secure installation solution. The transceiver is certified for use across the United States, Canada, and Europe and includes silent mode, automated health monitoring, surge protection, and enhanced RF screening.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFCC Programming Requirement:\u003c\/strong\u003e All units sold in the United States must be programmed by a qualified technician. A completed programming form, a copy of the MMSI registration or FCC Ship Station License, and the vessel master or owner's signature are required at the time of purchase. \u003ca href=\"http:\/\/productimageserver.com\/banners\/ClassB.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eDownload the programming form\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 430-0009\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5-watt SOTDMA Class B AIS transceiver for increased transmission priority and real-time AIS data processing\u003c\/li\u003e\n\u003cli\u003eIntegrated high-performance GNSS receiver and antenna, with support for an optional external antenna\u003c\/li\u003e\n\u003cli\u003eNMEA 0183, NMEA 2000, and USB connectivity for integration with compatible marine electronics and computers\u003c\/li\u003e\n\u003cli\u003eIPX6 and IPX7 protection against water and pressure spray\u003c\/li\u003e\n\u003cli\u003eFLEXI-FIT mounting bracket for convenient and secure installation\u003c\/li\u003e\n\u003cli\u003eSilent mode, automated health monitoring, power surge protection, and enhanced RF screening\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: em-trak\u003c\/li\u003e\n\u003cli\u003eModel: B951\u003c\/li\u003e\n\u003cli\u003ePart number: 430-0009\u003c\/li\u003e\n\u003cli\u003eType: Certified Class B AIS transceiver\u003c\/li\u003e\n\u003cli\u003eVDL access scheme: SOTDMA\u003c\/li\u003e\n\u003cli\u003eAIS transmitter power: 5 watts\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 12 or 24 volts DC; supported range from 9.6 to 31.2 volts DC\u003c\/li\u003e\n\u003cli\u003eInterfaces: Two bi-directional NMEA 0183 ports, NMEA 2000, and USB Micro-B\u003c\/li\u003e\n\u003cli\u003eGNSS systems: GPS, GLONASS, BeiDou, and Galileo\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -13°F to 131°F\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -13°F to 158°F\u003c\/li\u003e\n\u003cli\u003eIncluded: AIS transceiver, 6.6-foot power and data cable, FLEXI-FIT mounting bracket, screws, and optional fixing tape\u003c\/li\u003e\n\u003cli\u003eCertifications and standards: USCG, FCC, Canada, Europe, IEC 62287-1, ITU-R M.1371.5, IEC 60945, and applicable listed standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the em-trak B951 for dependable 5-watt SOTDMA AIS performance, practical marine connectivity, and installation flexibility in a compact transceiver.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"em-trak","offers":[{"title":"Default Title","offer_id":44934068731993,"sku":"98705","price":784.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/98705XL.jpg?v=1789754196","url":"https:\/\/www.marinepartsonly.com\/products\/em-trak-b951-class-b-ais-transceiver-5w-sotdma-part-number-430-0009","provider":"Marine Parts Only","version":"1.0","type":"link"}