Installation of MIMO antenna, antenna alignment, and frequency selection in the router. Not all routers support frequency selection. Routers that mostly support frequency selection are (Huawei) with unlocked encryption (Huawei routers belonging to STC company do not support the frequency locking feature). To ensure the best speed, and the speed depends on the surrounding towers in the area. And there is a modification for Huawei routers only for 100 SAR. (Consultations are free) In Riyadh and its suburbs. The price depends on the area. Contact via private messages on Haraj, or by call, or via WhatsApp.