Radio Systems Corporation (RSC) began 2011 with the acquisition of Tracker Oy, a Finnish radio technology company. According to RSC, Tracker Oy is considered a leading manufacturer of tracking products for picking up animals and tracking them. This technology was previously marketed by Radio Systems on occasions under the “Sport Dog” brand. Tracker Oy’s products include the “Maxima” receiver and the “Intelo” and “Strike” collars.