Cinderella Option automatically turns your receiver into a dual frequency GPS+GLONASS for 24 hours every other Tuesday starting at GPS midnight.

The Cinderella Option automatically allows your receiver to receive all available satellite signals for 24 hours every other Tuesday starting at GPS midnight. Any Euro 80 board based receiver will turn into a dual frequency GPS receiver and any Euro 112/160 based receiver will turn into a dual frequency GPS+GLONASS receiver.

• You can test the features like L1+L2 and GPS+GLONASS
  in your actual jobs and then buy them when you are convinced that
  they are more cost effective and will provide you with better results faster