Features: 1. Primary Use: This is an AIS receiver only, allowing you to directly receive AIS messages or information via USB to your laptop or tablet. 2. Foldable Antenna: The antenna is telescopic and foldable, made of stainless steel for rust resistance, and is not easily bent or broken. 3. Characteristics: Equipped with dual receiver channels (162.025 MHz and 161.975 MHz) and a receiving sensitivity better than -103dBm at 20% BER. 4. Portable and Functional: The marine AIS receiver is lightweight, compact, and portable, making it perfect for boat or marine use. 5. Strict Standards: Professionally manufactured in strict accordance with standard requirements for high performance and reliability. Specifications: Item Type: AIS Receiver Material: ABS + Stainless Steel Operating Current: < 35 MA Receiver Channels: 162.025 MHz and 161.975 MHz Modulation: GMSK Receiver Sensitivity: Better than -103dBm at 20% BER Antenna Port: SMA Connector Data Ports: NMEA 0183, USB, 38400 Bps Operating Temperature: -20 to 55 °C Interface: USB 2.0 Antenna Port: SMA Connector Package List: 1 x AIS Receiver (with 2 accessories)