This is the FPVLR boosted antenna kit for the Parrot Disco.
It includes the following items:
2 pcs of 2.4ghz 3W bi-directional amplifiers,
2 pcs of stripped coax to rp-sma adapters
2 pcs LHCP 10.5dBi directional antennas (half sphere antennas)
1 battery with 2 output plugs to power both amplifiers,
1 set of instructions.