Dish Network PVR DVR recievers ( 501, 508, 721, etc) allow unattended recording of programming. These are the earlier models. Some have Jtag ports on them. Now you can watch your shows whenever you want. Hard-drives save 100's of hours of network programming. Why buy a standard receiver when you can get these high capacity storage units? These nicely used receivers carry no contract obligations. Check to see if remote controls are included. You can always order them from the remotes page on the left.