The filename indicates it is hosted on GateAnime.com . Quality: 1080fhd indicates 1080p Full High Definition. File Format: .mp4 .

"[ArDub]" suggests it is the English-dubbed version (Arabic/English Dub) of the series.

GATE (ゲート 自衛隊 彼の地にて、斯く戦えり).

The file represents a high-definition download or stream of the English-dubbed GATE anime series.