“At the opening of the 2012 Rio Boat Show in Rio de Janeiro today, GOST™ (formerly Paradox Marine) announced the launch of GOST Brazil to distribute its marine security, monitoring, surveillance and vessel tracking systems across the country.
Headquartered in Rio de Janeiro, GOST Brazil is headed by Marco Antonio, Technical Director and Tadeu Cesare, Marketing Director of Global Security Network, which has 12 locations to conveniently serve customers throughout the country.”
Above paragraphs were from the Gost website/newsletter. I recommend their products, as they are purposely designed for the maritime environment. stop by their site, check out their product line.