New unused KVH heading sensor for sailboats.
NMEA0183 output. Can be used on NMEA2000 networks with a Simrad AT10HD converter (and other converters, but the AT10HD works as i have it on my boat now)
$399.99 including shipping (USA)
KVH Autocomp 1000 1000s Heading Sensor Sail 01 0117 0001 NMEA Free Shipping | eBay
Bought this new, when I thought the one on my boat was defective (it wasn't, just poorly wired). So mine works, and I have this one just sitting around