This would be the first known case of drone disabled by GPS jammer in France.
GPS is a type of GNSS, but not the only one. GNSS is the term used for systems with global coverage:
Here is the equipment used to scramble the GPS of the drone, it is manufactured by Hypercable, which is the supplier of the State, DGA, Defense, Ministry of the Interior & local communities:
All the GNSS spectrum all the constellations diffuse a perfect info of sliding positions in the 3 dimensions with time and year date shifted by more than one year to further neutralize the SSL certificates.
An interdepartmental decree of March 14, 2008 created a restricted area prohibiting the overflight, by any aircraft, to less than 3,300 feet (about 1,000 meters) and within a radius of 3 kilometers including Fort Brégançon. This order is currently effective for the period from August 3 to 28, 2018 and made public by a message to aircrew (Notam) issued by the Naval Air Station of Hyères.