STC Wi-Fi 6 Mesh Extender, Model TOTO LINK X30. Works with all types of routers (SIM router or Fiber router). Uses MU-MIMO technology to transmit the signal at the same speed to more than one device at the same time. Uses OFDMA technology to connect multiple devices without delay or slowness in the network. It has three levels of signal strength control. There is an app to control the extender from your mobile. The set consists of one master and two satellites.