sMRT V300 Technical Datasheet

Product catalog summary

Product Identification
Product Name: sMRT V300
Manufacturer: Marine Rescue Technologies Ltd
Address: Wescom Group, Unit J1, Anlaby Trade Park, Springfield Way, Anlaby, Hull, HU10 6RJ, United Kingdom
Contact: +44 (0)1482 679300, [email protected]
Date of Issue: November 2025
Issue Number: 5

Product Description
The sMRT V300 is a DSC Class M Man Overboard (MOB) device designed to activate automatically in a man overboard incident. It transmits a 121.5 MHz and VHF DSC distress alert and updates location information via AIS.

Specifications

Battery: 9V Lithium, UN3091 compliant
Minimum Alerting Period: 12 hours at -20°C
Battery Shelf Life: 5 years at +20°C
Operating Temperature: -20° to +55°C
Storage Temperature: -30° to +70°C
Dimensions: 207mm (H) x 59mm (W) x 23mm (D)
Weight: 190g
Environmental Rating: IP68 up to 10 metres depth
Strobe Light: 30 candela, 170-degree dispersion, 12 flashes per minute
Antenna Type: Vertically polarised
AIS Tx Power Output: Nominal 1W EIRP
GNSS Receiver: GPS and Galileo, TTFF 25 seconds
Alerting Radius: Typically 5 NM
VHF Transmission Frequencies: Channel 70 (156.525 MHz), AIS Channel 1 (161.975 MHz), AIS Channel 2 (162.025 MHz)

Activation

Automatic Water Activation: After 2 seconds of water sensor immersion
Manual Activation: Press and hold the activate button

Approvals and Compliance

RED Article 3.1 (A): IEC 62368-1:2018, EN IEC 62368-1:2020+ A11:2020
CSA/UL 62368-1:2019, AS/NZS 62368-1:2022
EN 301 843-8 Draft: V1.1.1_0.0.5, EN 301 843-1 Draft: V2.3.1_0.0.8
EN 60945:2022, RED Article 3.1 (B), RED Article 3.2 EN 303 132 V2.1.1
IEC 63269:2022, IEC 61108-1:2003, EN 302 152-1 V1.1.1, EN 303 098 V2.2.1
RED Article 3.3 (G): RTCM 11901.2:2022
Pending FCC approvals, not for sale in the United States

Catalog excerpts

V300 TECHNICAL DATA SHEET IDENTIFICATION PRODUCT NAME BATTERY SHIPPING INFORMATION: UN3091 LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT IN COMPLIANCE WITH IATA PI: 970 SECTION I WESG0M GROUP QD-132 | ISSUE 05 | NOVEMBER 2025

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WESG0M GROUP QD-132 | ISSUE 05 | NOVEMBER 2025

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Pending FCC approvals, this product may not be sold or promoted in the United States WESG0M GROUP QD-132 | ISSUE 05 | NOVEMBER 2025

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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