Features 1、AIS positioning locator, widely used in search, collision avoidance, etc. Small size and easy installation. 2、Long‑distance communication, high accuracy, fast reception of GPS positioning. 3、Send battery power information in real time, and send AIS positioning data in real time. 4、The shipboard AIS interface can display voltage. Send the location information of the AIS receiver to display on the chart. 5、3000mAh large capacity rechargeable battery, long standby time, user‑friendly charging instructions. Specification Item Type: AIS Locator Material: ABS Frequency Range: 161.975MHz/162.025MHz RF Power: 5W RF Current: ≤1.5A Frequency Stability: ±0.5 ppm Working Voltage: DC7.4V Modulation Method: GMSK Working Temperature: -20℃-+60℃ Transmission Frequency Deviation: 1.8kHz Channel Spacing: 25kHz GPS Data Update Time (adjustable): 1-30 minutes, factory default setting is 2 minutes Bandwidth: 25kHz Standby Time: ≥15 days Battery Type: Built-in 1 x lithium battery, battery capacity: 3000mAh Plug: CN Plug, 220v Package List 1 x AIS Locator 1 x Antenna 1 x Charger