This is the "Plus" version of famous GNS2000, now with GALILEO capability in addition to GPS and GLONASS !
The GNS2000 Plus is a wireless external GPS
It communicates with companion devices over Bluetooth. It is specially useful for Wifi-only iPads which don't have a true GPS inside (as a reminder, only the Cellular iPads have a fully featured GPS, the rest are only positionned through wifi hotspots and cell towers). With the GNS2000 plus receiver, you may now use your wifi-only iPad for marine, air or ground navigation !
The device is a highly accurate positionning tool using the latest GPS technology including Galileo, GPS and Glonass.