Chengdu Dixin Technology Co., Ltd.
| Payment Terms | L/C,T/T,Western Union,MoneyGram |
| Supply Ability | 10000pcs/month |
| Delivery Time | 3-10days |
| Packaging Details | cartons/pallets |
| Waterproof | IP67 — submersible up to 1 meter for 30 minutes |
| Dual-Channel Alert | AIS + VHF (Channel 16) distress signal broadcast |
| Communication Range | AIS up to 10–15 NM (depending on conditions) |
| Activation Type | Manual pull-to-activate switch |
| Power Source | Built-in lithium battery, 10.4Ah @ 3.7V |
| Battery Life | Over 200 hours of continuous operation |
| Antenna Design | Right-side fixed stainless steel antenna |
| LED Indicator | Pearl-white flashing dome for visual location |
| Mounting Method | Fits lifejacket pocket or belt clip (customizable) |
| Operating Temperature | -20°C to +55°C |
| Material | Marine-grade polycarbonate housing, anti-UV yellow |
| Dimensions: | 140mm (H) x 47mm (W) x 38mm (D) |
| Brand Name | Dexonmarine |
| Model Number | TB520 |
| Certification | ISO9001,IEC, IALA |
| Place of Origin | Chengdu |
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Product Specification
| Payment Terms | L/C,T/T,Western Union,MoneyGram | Supply Ability | 10000pcs/month |
| Delivery Time | 3-10days | Packaging Details | cartons/pallets |
| Waterproof | IP67 — submersible up to 1 meter for 30 minutes | Dual-Channel Alert | AIS + VHF (Channel 16) distress signal broadcast |
| Communication Range | AIS up to 10–15 NM (depending on conditions) | Activation Type | Manual pull-to-activate switch |
| Power Source | Built-in lithium battery, 10.4Ah @ 3.7V | Battery Life | Over 200 hours of continuous operation |
| Antenna Design | Right-side fixed stainless steel antenna | LED Indicator | Pearl-white flashing dome for visual location |
| Mounting Method | Fits lifejacket pocket or belt clip (customizable) | Operating Temperature | -20°C to +55°C |
| Material | Marine-grade polycarbonate housing, anti-UV yellow | Dimensions: | 140mm (H) x 47mm (W) x 38mm (D) |
| Brand Name | Dexonmarine | Model Number | TB520 |
| Certification | ISO9001,IEC, IALA | Place of Origin | Chengdu |
| High Light | Dual Channel AIS MOB Rescue Device ，IP67 Waterproof AIS MOB Rescue Device ，Maritime AIS MOB Rescue Device | ||
Dual-channel AIS MOB Rescue Device With VHF Voice Alert. IP67 Waterproof, Long Battery Life, And No Base Station Required — A Reliable Personal Maritime Alert Solution.
Why rely on one signal, when you can trigger two?
AIS + VHF — Because one signal isn’t enough
Instant Alerts, Smarter Rescue. When seconds matter, the TB520 transmits both AIS and DSC distress signals automatically, enabling rapid discovery and response from nearby vessels. With dual-channel activation, it's not just an alarm — it’s a lifeline that speaks clearly, even when you can’t.
KEY ADVANTAGES
TECHNICAL DATA
| Parameter | Specification |
| Activation | Automatic upon water immersion or manual trigger |
| Transmission Type | AIS & DSC (VHF CH70) |
| DSC Format | Sends distress message and vessel MMSI |
| Frequency Range | 33.000 / 33.050 / 156.525 / 156.800 / 161.975 / 162.025 MHz |
| Transmit Power | 1W |
| Waterproof Rating | IP67 |
| Operating Temp | -25°C to +55°C |
| Battery Life | 8+ hours continuous transmission |
| Dimensions | 196 x 58 x 39 mm |
| Weight | ≤150g |
| Dimensions | 300mm × 150mm × 50mm |
| Weight | ≤3kg
|
What the TB520 Does in the Field?When activated (automatically upon immersion or manually), the TB520 AIS MOB Rescue Device performs multiple life-saving actions simultaneously:
How It Works
Certified to International Standards
Our TB520 device meets or references the following maritime safety standards:
All certifications and conformity documents are available upon request for procurement tenders and port authority registrations.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Total Annual:
2000000-3000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Dexonmarine, a brand of Chengdu Dixin Technology Co., Ltd., is a certified IALA industrial member specializing in marine buoys, AIS lanterns, navigation lights, and smart maritime systems. Our company was founded in 2013 and officially registered in 2018. Our headquarters is based in Chengdu, China... Dexonmarine, a brand of Chengdu Dixin Technology Co., Ltd., is a certified IALA industrial member specializing in marine buoys, AIS lanterns, navigation lights, and smart maritime systems. Our company was founded in 2013 and officially registered in 2018. Our headquarters is based in Chengdu, China...
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