520 Long-Endurance AIS Fishing Net Buoy with Night Flash
Sikes Model 520 AIS Buoy is a long-endurance GPS fishing net tracking buoy designed for professional fishing fleets, marine equipment distributors, wholesalers, and commercial fishing operations. Combining 10–12 nautical mile AIS transmission, IP68 waterproof protection, a 4,000mAh battery, and programmable multi-color night flashing, the 520 provides a practical solution for fishing net identification and position monitoring.
Operating on AIS frequencies of 161.975 MHz and 162.025 MHz, this AIS fishing net buoy transmits GPS position reports at selectable intervals from 30 seconds to 5 minutes. Its integrated antenna, compact design, and approximately 25-day operating time make it suitable for demanding commercial fishing applications.
- AIS transmission power: 10–12W
- Transmission distance: 10–12 nautical miles at 12W
- Battery capacity: 4,000mAh
- Operating time: Approximately 25 days
- Waterproof rating: IP68
- GPS positioning accuracy: ≤10m
- Night flash: Green, red, blue, and alternating green/red
- Programmable transmission interval: 30 seconds to 5 minutes
- Net weight: Approximately 380g
Looking for a reliable wholesale AIS buoy supplier? Contact Sikes for factory pricing, product specifications, distributor inquiries, and OEM/ODM cooperation.
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520 AIS Buoy – Frequently Asked Questions
1. How far can the Sikes 520 AIS fishing net buoy transmit?
The Sikes 520 has a specified AIS transmission distance of approximately 10–12 nautical miles at 12W output power. Actual receiving distance depends on antenna height, vessel installation, receiver sensitivity, sea conditions, and radio interference. The specified distance is a reference rather than a guaranteed operating range in every environment.
2. How long does the 520 AIS buoy battery last?
The 520 is equipped with a 4,000mAh battery and has an approximate operating time of 25 days. Actual battery life depends on the transmission interval, GPS searching activity, night flashing brightness, temperature, and operating conditions. A longer reporting interval generally helps reduce transmission-related power consumption.
3. Does the 520 AIS buoy support real-time GPS tracking?
The buoy uses GPS positioning and transmits position reports through AIS VHF channels. Its reporting interval can be programmed to 30 seconds, 1 minute, 2 minutes, 3 minutes, or 5 minutes. It provides periodic position updates rather than uninterrupted real-time transmission.
4. Is the Sikes 520 AIS buoy compatible with marine AIS receivers?
The 520 transmits on 161.975 MHz and 162.025 MHz. A compatible marine AIS receiving system is required to receive and display its reports. For the encrypted version, the specified compatible receiver is the HZX100 AIS buoy receiver. Please confirm receiver compatibility and configuration before ordering, especially for encrypted models.
5. Is the 520 fishing net buoy waterproof?
Yes. The 520 has an IP68 waterproof rating, designed for demanding marine and wet operating environments. IP68 alone does not specify a universal immersion depth or test duration, so please request the applicable waterproof test details for your deployment requirements.
6. What night flashing colors and modes are available?
The 520 supports green, red, blue, and alternating green/red flashing modes. The light can also be switched off manually. Flashing brightness includes Low, Medium, High, and Ultra settings. The flash interval can be programmed for one or two flashes every 3–20 seconds, with a default interval of 5 seconds.
7. Can the AIS transmission interval be adjusted?
Yes. The reporting interval is programmable at 30 seconds, 1 minute, 2 minutes, 3 minutes, or 5 minutes. Buyers can select a suitable interval based on tracking frequency and battery endurance requirements.
8. How do the internal and external switches work?
The 520 uses a dual-switch design with one internal switch and one external switch. Both switches must be ON for the device to operate. Turning either switch OFF places the device in the OFF state. Please check both switches during installation and troubleshooting.
9. Does the 520 AIS buoy use solar power?
The supplied Model 520 specification lists a 4,000mAh battery and approximately 25 days of operating time. It does not list a solar charging panel. Buyers looking for a solar-powered AIS fishing buoy can also explore the Sikes 888 Solar AIS Fishing Net Tracking Buoy.
10. Is the 520 AIS buoy certified for every country?
Certification and radio equipment approval details are not included in the supplied specification. AIS radio frequency allocation, transmitter power limits, equipment approval, and operating requirements may vary by country. Importers and distributors should confirm the applicable local requirements and request relevant supporting documents before commercial sale or operation.
What Is an AIS Fishing Net Buoy?
An AIS fishing net buoy is a marine tracking device used to identify and monitor fishing net positions through Automatic Identification System (AIS) radio transmissions. It combines GPS positioning with a VHF transmitter, allowing compatible vessel-based AIS equipment to receive position reports and display buoy locations.
The Sikes 520 is designed for professional fishing operations that need recurring fishing net position reporting and visible night identification. Its built-in antenna and GPS positioning system provide an integrated tracking solution without requiring an additional external antenna.
With GPS positioning accuracy specified at ≤10m, the 520 provides location information for fishing net monitoring. Its selectable reporting interval allows operators to balance update frequency with battery consumption.
Key Features of the Sikes 520 Long-Endurance AIS Buoy
10–12 Nautical Mile AIS Transmission
The 520 uses a 10–12W AIS transmitter and operates on 161.975 MHz and 162.025 MHz. Its stated transmission distance is 10–12 nautical miles at 12W. This makes it suitable for fishing net tracking applications where vessel crews need recurring position information from marked fishing gear.
Approximately 25 Days of Battery Operation
A built-in 4,000mAh battery supports approximately 25 days of operation under the applicable test configuration. The programmable transmission interval allows users to choose between more frequent position reports and lower power consumption.
IP68 Waterproof Protection
Marine tracking equipment needs to withstand exposure to water and demanding outdoor conditions. The 520 features an IP68 waterproof rating and an operating temperature range of -10°C to +60°C.
Programmable Multi-Color Night Flash
The integrated night flashing system supports green, red, blue, and alternating green/red modes. Four adjustable brightness levels and programmable flash intervals provide flexibility for different operating conditions. The flashing function can also be manually switched off.
GPS Positioning and Dual-Switch Design
The internal GPS system has a specified positioning accuracy of ≤10m, with a cold-start time of ≤60 seconds and hot-start time of ≤5 seconds. The dual-switch design provides internal and external switching control for operation.
520 AIS Buoy Technical Specifications
| Specification | Details |
|---|---|
| Brand | Sikes |
| Model | 520 |
| Product Name | Long-Endurance Night Flash Net Buoy |
| AIS Transmit Frequency | 161.975 MHz & 162.025 MHz |
| Bandwidth | 25 kHz |
| Frequency Stability | ±1 ppm |
| Operating Voltage | 6.2–8.2V DC |
| Standby Current | ≤0.3mA |
| GPS Searching Current | ≤25mA |
| Transmit Current | ≤2A |
| GPS Cold Start | ≤60 seconds |
| GPS Hot Start | ≤5 seconds |
| GPS Positioning Accuracy | ≤10m |
| Operating Temperature | -10°C to +60°C |
| Waterproof Rating | IP68 |
| AIS Transmit Power | 10–12W |
| Modulation | GMSK BT=0.4 |
| Adjustment Index | 0.5 |
| Spurious Emission | <-36dBm |
| Antenna | Internal Antenna |
| Transmission Distance | 10–12 nautical miles at 12W |
| Programmable TX Interval | 30 seconds / 1 / 2 / 3 / 5 minutes |
| Night Flash Colors | Green / Red / Blue / Alternating Green-Red / Off |
| Flash Interval | 1 or 2 flashes every 3–20 seconds; default 5 seconds |
| Flash Brightness | Low / Medium / High / Ultra |
| Battery Level Display | Enabled by default; programmable |
| Encrypted Version | Compatible with HZX100 AIS buoy receiver |
| Battery Capacity | 4,000mAh |
| Operating Time | Approximately 25 days |
| Switch Design | Dual switches: internal and external |
| Switch Status | Both ON = ON; either OFF = OFF |
| Net Weight | Approximately 380g |
Applications of the Sikes 520 AIS Fishing Net Buoy
The 520 AIS buoy is designed for commercial marine and fishing applications that require recurring fishing net position reports and night identification.
- Commercial fishing net tracking
- Fishing gear identification and location monitoring
- Offshore fishing operations
- Night fishing net marking
- Fishing fleet and marine equipment deployment
Wholesale AIS Buoys Manufacturer – Sikes
Sikes supplies AIS fishing net tracking buoys and marine navigation equipment for wholesalers, distributors, importers, and professional fishing equipment suppliers.
The 520 long-endurance AIS buoy is a practical choice for buyers looking for IP68 protection, programmable AIS position reporting, multi-color night flashing, and a compact battery-powered tracking solution.
As an experienced marine equipment supplier, Sikes focuses on professional manufacturing, customization, and efficient wholesale service. Contact our team for product quotations, technical documentation, receiver compatibility information, and OEM/ODM requirements.
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