![em-trak B953 Class B AIS Transceiver - 5W SOTDMA w/VHF Antenna Splitter [430-0013]](https://cdn.shopify.com/s/files/1/0469/0945/6544/files/98707XL.jpg?v=1773667306)
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Description
em-trak B953 Class B AIS Transceiver - 5W SOTDMA w/VHF Antenna Splitter [430-0013]B953 Class B AIS Transceiver 5W SOTDMA with VHF Antenna Splitter **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.** Click here to download form. The B953 is a high transmit power (5W
B953 Class B AIS Transceiver - 5W SOTDMA with VHF Antenna Splitter
**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.**
The 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.
The 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.
Features:
- Certified AIS Class B – 5W SOTDMA
- Integrated VHF antenna splitter
- Global certification - USCG / FCC / Canada / Europe
- SRT-AIS™ Transceiver Engine for superlative proven performance
- FLEXI-FIT™ bracket system for easy, convenient, and secure installation
- Internal high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray, and damp proof (IPx6, IPx7 certified)
- Protected from vibration, shock, and extreme temperatures
- Small and lightweight
- Ultra-low power consumption – best in class
- Guaranteed connectivity and interoperability with any chart plotter or PC
- NMEA 0183 & NMEA 2000
- Automated health and performance monitoring
- Silent mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
- Fail-safe VHF radio operation
Physical & Environmental Specifications:
- Size (H x W x D): 150 x 115 x 45mm
- Weight: 415kg
- Operating temperature: -25°C to +55°C
- Storage temperature: -25°C to +70°C
- Ingress protection: IPx6 and IPx7
Electrical Specifications:
- Supply voltage: 12V or 24V DC
- Supply voltage range: 9.6V - 31.2V DC
- Average current (at 12V): 245mA
- Peak current: 2.5A
- Average power consumption (at 12V): 2.9W
- Galvanic isolation: NMEA 0183 inputs only, NMEA 2000, VHF antenna port
Connectors:
- VHF antenna: SO-239
- GNSS: TNC
- Power: 12-way circular multipole
- NMEA 2000: 5-way Micro-C connector
- USB: USB Micro-B
Data Interfaces:
- NMEA 0183: 2 x bi-directional ports
- NMEA 2000: NMEA 2000 Ed 3.101, LEN=1
- USB: PC virtual com port for NMEA 0183 data
Standards Compliance:
- AIS standards: IEC 62287-2 Ed. 2, ITU-R M.1371.5
- Product safety standards: EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 EN62311:2008
- Environmental standards: IEC 60945 Ed. 4
- Serial data interface standards: IEC 61162-1 Ed 5.0, IEC 61162-2 Ed 1.0
- NMEA 2000: NMEA 2000 Ed 3.101
- GNSS performance standards: IEC 61108-1 Ed 2.0, IEC 61108-02 Ed 1.0
GNSS:
- Systems supported: GPS, GLONASS, BeiDou, Galileo (two of any combination, three including GPS, Galileo)
- Channels: 72
- Internal/external antenna: Internal or optional external antenna
- Time to first fix from the cold start: 26s
VHF Transceiver:
- VDL access scheme: SOTDMA
- Operating frequency: 156.025MHz - 162.025MHz
- Channel bandwidth: 25kHz
- Receivers/transmitters: 2 x receivers, 1 x transmitter
- AIS receiver sensitivity (20% PER): -111dBm
- AIS transmitter power: 5W (+37dBm)
User Interface:
- Indicators: Power, transmit timeout, error, silent mode
In the Box:
- 1 x AIS transceiver
- 1 x Power and data cable (2M)
- 1 x VHF radio accessory cable
- 1 x FLEXI-FIT™ mounting bracket
- Complete with screws & optional fixing tape
Specifications:
- AIS Class: B
- Antenna Included: Yes
- Display Included: No
- Function: Receive/Transmit
- GPS Included: Yes
- Box Dimensions: 5"H x 7"W x 8"L WT: 1.9 lbs
- UPC: 672975210564
Quick Guide (pdf)
Brochure (pdf)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
beautiful and high-quality jewelry box
Amazing jewelry box of good quality. color - exactly as in the photo (mine is olive). High-quality interior decoration. Everything as in the seller's photo. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2025
★★★★★ 5
Functional gift.
Used as an engraving project with our laser printer. Worked well, would make a great gift for bridesmaids etc.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Jewelry box that holds a lot.
Color: Pink, Size: 2 Layer
This jewelry box is so sturdy and holds A LOT of jewelry. Not only does it look gorgeous it’s actually functional and does its job ! I highly recommend.
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Reviewed in the United States on December 22, 2025
★★★★★ 4
Perfect if you're anything like me
Color: White, Size: 2 Layer
I have about 20 small jewelry boxes sitting in my closet, stacked up high, threatening to topple over any time I reach over them to grab something else. I don't know what's in those boxes, except that it's jewelry I purchased and liked well enough to keep so that I could wear it again. But since all of the pieces are closed up inside, I almost never wear them because I don't want to dig through all 20 boxes to find the 1 thing I want when I'm already almost late to wherever I'm going.
If ANY of that sounds anything like you, you need this jewelry box. Is it the most premium thing you've ever seen? No, but does it have a lot of storage space for a pretty compact form factor and hold a ton of stuff? Yes, it totally does. And is the price super reasonable? Yes, it is. And if you kind of squint at it, and look through softer eyes, it doesn't really matter that yes, this is kind of cheaply constructed, and the dividers do move around a little bit because they're not anchored to the sides of the trays.
I was able to consolidate all of those jewelry boxes down into this one box, and I no longer need to hold my breath when I try to grab something over the top of the pile because I was able to throw. them. all. out! The satisfaction of purging my own personal leaning tower of Pisa was worth the price alone.
But onto the nitty gritty details: yes, the see-through part is acrylic and not glass. I'm okay with that because I don't need more breakable things sitting in my closet. Yes, the dividers aren't super stable. I'm okay with that because they work well enough and keep each piece where it belongs. Yes, it's pleather (aka "vegan leather"). I'm okay with that because I don't need cow hide to hold my jewelry to make it feel more precious, especially because most of my jewelry is pretty inexpensive stuff anyways. I don't notice any glaring cosmetic defects when looking at it, aside from the one very squiggly scratch in my acrylic top that doesn't bother me too much, but since it does mean that quality control may be a bit lacking, this gets a very solid 4 stars.
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Elegant Jewelry Box
Color: Pink, Size: 2 Layer, Color: Pink, Size: 2 Layer
Very stylish and elegant jewelry box suitable for your jewelry needs. I needed something for my extensive jewelry collection. I use this for my everyday jewelry, and it works perfectly. I chose the two-tier jewelry box, and I love how sturdy it is. You can put a lot in the box without it being overcrowded. The blush color gives it a soft look, but also the compartments on the inside are soft as well. It is of good quality and a value for what you get.
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Reviewed in the United States on November 2, 2025
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