Buffalo, Antenna, models:

2.4GHz Indoor Omni Antenna WLE-NDR	Quick Setup Manual
2.Air Station 4GHz Indoor Directional Antenna WLE-DA	Quick Setup Manual
AirStation WLE-HG-NDR	Specifications
AirStation WLE-MYG	Specifications
WLE-AT-NDBHB	Technical Specifications
WLE-DA	Brochure
WLE-DA2	User Manual