NOTE: We no longer sell these items as new, but will happily service units in the field to the best of our ability. This chart will help guide you with your telemetry selection. It is a basic layout of what each system was designed for. To read the chart, select your application with the horizontal labels at top. Move left to see what products are a fit for your application. Click on the blue name at the left to take you to the product's detail page.