The hardware cost is $6,450 and the installation cost is $0! Data plan is $300 per year for Iridium and Airtext network connection including the first 500 text messages. Additional messages are 5 cents each. Email headers are sent up automatically for 10 cents each when you are going over 50 knots which contain the subject line, from, and timestamp. Selected emails can then be downloaded in a text only format for between 25 cents and 1 dollar.