All SIM cards from all companies can be installed in it. It is stronger than the router that comes with the SIM card, meaning the Zain, STC, or Mobily router. This is stronger than them in speed and response. Its specifications: Fastest and Latest Version 5G Wi-Fi 7 Router, High Speed Upto 7200Mbps, Works on All Networks with WIFI-7 and NFC, with 13dBi AI High Gain Antenna & Supports Upto 256 Direct User Access - G5 PRO | White Selling for 500. I used it for six months and then we moved, so we don't use it anymore.