RT-AC88U can be configured in Media Bridge mode.The Media Bridge mode provides the fastest Wi-Fi connection for multiple media devices
simultaneously.
To set up the Media Bridge mode, you need two RT-AC88U: one configured as the Media station and the other as a router.Configure one RT-AC88U as a router and another RT-AC88U as an Media Bridge to provide a simultaneous Wi-Fi connection for your media devices such as computer, Smart TV, game console, DVR, or media player via Ethernet cable.Change to Media Bridge mode to provide a simultaneous Wi-Fi connection for your media devices.
In Media Bridge mode, only wireless devices connect to the P-AP. Client devices need to be connected to the Media Bridge with a network cable.
Sound like need 2 unit. U try and see if Media Bridge mode can connect to airties