1. The AR-10 is just an receiver, which allows you to receive information directly via USB to your laptop or tablet. 2. This product is small, and easy to carry. 3. Receiver sensitivity is -103dBm at -20% BER. 4. It is made of high-quality materials, with stable performance, you can trust. 5. Manufactured in accordance with standard requirements, long service life. Condition: Item Type: Receiver Receiving Channels:162.025 MHz and 161.7975 MHz Receiving Distance:28 Nautical Miles Working Current:Less than 35 mA Modulation Sethod:GMSK Receiver Sensitivity: -103dBm at -20% BER Antenna Port:SMA Connector Data Port:NMEA 0183, USB, 38400 Operating Temperature:-20 to 55 Colour:As Shown Material:ABS+Metal Package Contents: 1 x Receiver 1 x Antenna Only 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.