sentences:  In 2007, Sling introduced the Slingbox SOLO, a third generation box that was a "streamlined version of the Slingbox Pro".It provided a high quality standard definition video stream and a lower price point.This model was followed up 
  in 2008 by the Slingbox PRO-HD, a high-end device that supported placeshifting HDTV (1080i) video and currently is the only Slingbox to include an ATSC tuner for over-the-air HDTV broadcasts.