Features: Enhances your maritimes safety and efficiency with our AIS Positioning Device, featuring advanced technology for precise real time tracking, ensuring reliable navigation across vast ocean expanses. Crafted from ABS material, this device operates at frequencies of 161.975MHz and 162.025MHz, with a robust RF power of 5W, providing strong signal reception even in remote areas. Ideal for professional fishermen, boat owners, and marine enthusiasts who prioritize safety and efficient management of their maritimes activities. Perfect for fishing operations, adventurous sea voyages, and effective fishing net management, enabling real time monitoring and secure return journeys. With its IPX7 waterproof design and intelligent anti loss tracking system, this marine ensures long term reliability and protection against harsh weather conditions, making it a essential tool for any seafaring venture. Specifications: Material: ABS Frequency: 161.975MHz, 162.025MHz Bandwidth: 25kHz Frequency Spacing: 25kHz Modulation Mode: GMSK Power: 5W Current: ≤2.5A Battery Capacity: 3000mAh DC7.4V battery Operating Temperature: -20℃ to 60℃ Communication Range: Approx. 10nm Data Update Time (Adjustable): 1~30 Minutes, Factory Default Setting 2 Minutes Standby Time: ≥15 Days Size: About. 34cm/13.39in Package Includes: 1pc AIS Fishing Net Trackers 1pc Charging Cable 1pc Programming Cable note: Do not short circuit the charging interface. Use the equipped power adapter (output DC9.2V/1A), otherwise the machine may be burne. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.