Portable WiFi device (Portable Router / MiFi) from Zain supports 4G network, and it is written on it SPEED 4G. It uses a Zain data SIM card and provides internet to nearby devices such as mobile phones and laptops. The other device: Also a portable WiFi router (MiFi) from Huawei. It works with a Mobily or STC data SIM card and converts the mobile network to WiFi for nearby devices. Each device is priced at 50 SAR, very clean and working.