{"product_id":"em-trak-b953-class-b-ais-transceiver-5w-sotdma-with-vhf-antenna-splitter-part-number-430-0013","title":"em-trak B953 Class B AIS Transceiver, 5W SOTDMA with VHF Antenna Splitter, Part Number 430-0013","description":"\u003cp\u003e\u003cstrong\u003eB953 Class B AIS Transceiver - 5W SOTDMA with VHF Antenna Splitter\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 B953 is a high transmit power (5W SOTDMA) AIS Class B transceiver that is small, and lightweight, yet delivers the very best AIS receive and transmit performance so you see more AIS information and targets at maximum range  all achieved with the least power consumption.\u003c\/p\u003e\u003cp\u003eThe B953 has an integrated VHF antenna splitter which enables the transceiver to share your existing VHF antenna without any loss of performance. With built-in intelligent connectivity, integrated next-generation GPS receiver  antenna, and a unique FLEXI-FIT bracket system, safe and secure installation is simple.\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\u003eIntegrated VHF antenna splitter\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\u003eGuaranteed connectivity and interoperability with any chart plotter or PC\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\u003cli\u003eFail-safe VHF radio operation\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: 415kg\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): 245mA\u003c\/li\u003e\n\u003cli\u003ePeak current: 2.5A\u003c\/li\u003e\n\u003cli\u003eAverage power consumption (at 12V): 2.9W\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 62287-2 Ed. 2, 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 VHF radio accessory cable\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 B953 Class B AIS Transceiver\u003c\/strong\u003e delivers 5-watt SOTDMA transmission, reliable AIS target tracking, and flexible connectivity for recreational and commercial vessels. Designed for boaters who want to improve vessel visibility and access more AIS information, the B953 combines a compact transceiver with an integrated VHF antenna splitter, allowing it to share an existing VHF antenna without loss of performance.\u003c\/p\u003e\u003cp\u003eThe B953 includes an internal high-performance GPS receiver and antenna, with support for an optional external antenna. Its FLEXI-FIT mounting bracket helps simplify secure installation, while NMEA 0183, NMEA 2000, and USB connectivity support integration with compatible chart plotters and PCs. Automated health monitoring, silent mode, built-in power surge protection, enhanced RF screening, and fail-safe VHF radio operation provide practical functionality for marine electronics installations.\u003c\/p\u003e\u003cp\u003eBuilt for demanding marine environments, the em-trak B953 is water, pressure-spray, and damp proof with IPx6 and IPx7 protection. It is designed to withstand vibration, shock, and extreme temperatures while maintaining low power consumption. FCC requirements state that units sold in the United States must be programmed by a qualified technician. Programming requires the completed form, a copy of the MMSI registration or FCC Ship Station License, and the vessel master’s or owner’s signature.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"http:\/\/productimageserver.com\/banners\/ClassB.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eClick here to download the programming form\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCertified AIS Class B transceiver with 5-watt SOTDMA transmission for AIS communication and vessel tracking.\u003c\/li\u003e\n\u003cli\u003eIntegrated VHF antenna splitter allows the transceiver to share an existing VHF antenna.\u003c\/li\u003e\n\u003cli\u003eInternal GPS receiver and antenna support positioning data, with an optional external antenna connection.\u003c\/li\u003e\n\u003cli\u003eNMEA 0183, NMEA 2000, and USB interfaces support connection to compatible chart plotters and PCs.\u003c\/li\u003e\n\u003cli\u003eIPx6 and IPx7 protection helps the unit withstand water, pressure spray, and damp conditions.\u003c\/li\u003e\n\u003cli\u003eFLEXI-FIT mounting bracket supports convenient and secure installation.\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: B953\u003c\/li\u003e\n\u003cli\u003ePart number: 430-0013\u003c\/li\u003e\n\u003cli\u003eAIS class: Class B\u003c\/li\u003e\n\u003cli\u003eVDL access scheme: SOTDMA\u003c\/li\u003e\n\u003cli\u003eAIS transmitter power: 5 watts\u003c\/li\u003e\n\u003cli\u003eSupply voltage: 12 or 24 volts DC\u003c\/li\u003e\n\u003cli\u003eSupply voltage range: 9.6–31.2 volts DC\u003c\/li\u003e\n\u003cli\u003eVHF frequency range: 156.025–162.025 MHz\u003c\/li\u003e\n\u003cli\u003eConnectivity: NMEA 0183, NMEA 2000, and USB\u003c\/li\u003e\n\u003cli\u003eGNSS support: 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\u003eIngress protection: IPx6 and IPx7\u003c\/li\u003e\n\u003cli\u003eIncluded: AIS transceiver, power and data cable, VHF radio accessory cable, FLEXI-FIT mounting bracket, screws, and optional fixing tape\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the em-trak B953 for compact AIS Class B performance, integrated antenna sharing, and versatile marine electronics connectivity.\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":44934069223513,"sku":"98707","price":977.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/98707XL.jpg?v=1789754208","url":"https:\/\/www.marinepartsonly.com\/products\/em-trak-b953-class-b-ais-transceiver-5w-sotdma-with-vhf-antenna-splitter-part-number-430-0013","provider":"Marine Parts Only","version":"1.0","type":"link"}