1. Main Uses: This is just an AIS receiver, which allows you to receive AIS messages or information directly via USB to your laptop or tablet.2. Folding Antenna: The antenna is telescopic and foldable, made of stainless steel to rust prevention, not easy to bend or break.3. Characteristic: With dual receiver channel, 162.025 MHz and 161.975 MHz. The receiver sensitivity is 103dBm at 20% BER.4. Portable and Functional: Marine AIS receiver is and compact, portable, easy to carry, perfect for boat or marine use.5. Standard: Manufactured in accordance with standard requirements, professional manufacturing, high performance, strong reliability.Item Type: AIS ReceiverOperating Current: Less than 35 MAReceive Channels: 162.025 MHz and 161.975 MHzModulation: GMSKReceiver Sensitivity: -103dBm at. 20% BERAntenna Port: SMA ConnectorData Port: NMEA 0183, USB, 38400 BpsOperating Temperature: -20 to 55Interface: USB 2.0Antenna Port: SMA ConnectorColor:As shownMaterial:Plastic + Stainless SteelPackage Contents:1 x AIS ReceiverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.