NAIS-500 Class B AIS with GPS-500 Antenna - Includes Programming**As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.**Click here to download form.Reduce your risk of collision with this fully integrated, Class-B AIS transponder - essential for navigating today's busy shipping lanes and congested ports. Features: Lightweight and compact in size; Multiple connection options NMEA 2000, NMEA 0183, USB; NMEA 0183 Multiplexing; Matching VHF/AIS/FM antenna splitter; Water-resistant to IPx7; Support for wide voltage range 9.6-31.2V; Low average power consumption 180mA at 12V; Tested to IEC 60945 'Protected' category; This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. - cis2:mm5mnJlm -Specifications: GPS Included: Yes; Function: Receive/Transmit; Display Included: No; Antenna Included: Yes; AIS Class: B; Box Dimensions: 12"H x 12"W x 12"L WT: 4 lbs; UPC: 9420024158784;