The Cisco Aironet AIR-AP-T-RAIL-F= Flush Ceiling Grid Clip fastens a Cisco Aironet access point bracket to a tile ceiling system. If your ceiling tiles are flush with the ceiling grid, this clip provides a snug fit between the access point and the ceiling. Use with ceiling brackets for Cisco Aironet AP3700, 3600, AP2600, AP1600, AP1040, AP1140, AP1260, AP3500 and AP702i Series access points.