Lowrance manufactures marine electronics such as fishfinders and GPS electronics for consumer sport fishing, boating, aviation, automotive and outdoors recreation markets.
No, the Lowrance Iway GPS is for automotive use only. A GPS would not be able to tell you where to go in the water when they are programmed to show the roads.
The lowrance iway 500c gps has ten gigabytes of data for the map. this is good because you do not ned to install and donload any maps for your other planned trips. http://www.epinions.com/review/pr-Lowrance_Iway_500c_GPS_Receiver_1/content_248891018884
It is not a brand new GPS system. It was developed at the latest in 2006, which is the year that this review (see link) was written. http://www.gpsreview.net/lowrance-iway-500c/
The Lowrance IWay 500C GPS unit seems to be highly reviewed. The only issues mentioned was the units tendency to re-route and then re-route again back to the street you were on in the first place. Se reviews on CNET.com
The Lowrance Iway 250c GPS can be found at a low price from Amazon.com, Used this product will cost you around $16.00 and new it will cost you around the same price. Again this can be found easily at Amazon.com http://www.amazon.com/Lowrance-000-0125-03-3-5-Inch-Portable-Navigator/dp/B000GSQDPM
Users complain that it is not durable. Also that it is also not a reliable gps system. You can find reviews on http://reviews.cnet.com/car-gps-navigation/lowrance-iway-500c/4505-3430_7-31411013.html
The Lowrance Iway 250C is actually no longer made anywhere. Also, because it is no longer being produced, finding what country produced it is becoming increasingly difficult. If you own one, check on the back of it to find where it was made.
Lowrance GPS antenna is the most desired brand of GPS antenna. They are reliable, and excellent when compared to other brands, and cost the same as the lower quality brands.
Rechargeable battery MP3 player JPEG Picture viewer SD/MMC memory card 320Hx240V resolution Visual Nav. with automatic zooming http://www.lowrance.com/Products/Legacy-Products/Automotive/iWAY-250C/
The most common gps company making gps with sounders is Garmin. There are also Lowrance and Hummingbird brands. https://buy.garmin.com/shop/shop.do?pID=51&ra=true
I couldn't find specific numbers but I know it would have to be a significant amount considering they're made by a manufacturer. Only merchandise that is made in mass quantities is made by a manufacturer.
Although I consider myself rather knowledgable with GPS systems, I have not heard of the Lowrance GPS brand. I have researched it, and found some of their systems on Ebay. Another site that will link you to where they can be purchased is here: http://www.nextag.com/lowrance-GPS-system/stores-html