The modem has an additional feature as shown in the pictures at the top of the modem. I made a modification to it for 150 SAR. You can connect the modem to an antenna (a net booster dish that is mounted on roofs). ZTE 5G MC801A Router Specifications (STC) Supports 5G and 4G frequencies on STC network only Connection speed up to 2.8 Gbps Supports dual-band Wi-Fi 6 (AX1800) technology Supports up to 128 devices connected simultaneously Gigabit LAN/WAN ports Continuous system updates and Arabic language support Color: White Regarding whether it works on other SIM cards, I think so, but it needs to be unlocked because it belongs to ZTE and the service provider STC encrypts it to work only on their SIM cards. May God grant everyone sustenance. But it works on all STC SIM cards 🌹 Final price: 350 SAR Keywords 5G router ZTE STC router Wi-Fi modem Used router Internet device Wi-Fi 6 Internet speed Home router Fast router Powerful ZTE 5G router High internet speed Advanced Wi-Fi 6 5G modem Supports all STC SIM cards Excellent condition used router Stable and fast connection Home internet device Modern technology and superior performance Guaranteed router sale * ****Reason for selling: I installed fiber****