The Garmin 010-00757-10 VHF 300 AIS Marine Receiver Radio combines radio communication and 1 or 25 watts of transmit power with multi-station support, giving you the convenience and flexibility you need to safely navigate and communicate on the open waters. The Garmin VHF 300 AIS comes standard with a two-way hailer system and is NMEA 0183 and NMEA 2000r compliant, offering greater onboard functionality. Additionally, the VHF 300 AIS utilizes Automatic Identification System technology to help you identify and avoid other large vessels at sea.