Huawei's SIM modem takes Zain's SIM card, and with modification, it can accept others.

Huawei SIM modem supports Zain SIM card, and with adjustments by a specialized technician, it can be modified to accept other SIM cards, becoming an unlocked modem for all networks. The device is used, clean, and comes with a power adapter and Ethernet cable. It has not been used. Selling price: 285 SAR. Brand: Huawei Special Feature: WPS Frequency Band Category: Dual-band Wireless Communication Standard: 802.11ac Compatible Devices: Smartphone, Tablet, Smart TV, Personal Computer Recommended Product Usage: Home Special Features: WPS Frequency Band Category: Dual-band Wireless Communication Standard: 802.11ac Compatible Devices: Smartphone, Tablet, Smart TV, Personal Computer Recommended Usage: Home Connectivity Technology: WiFi Operating System: RouterOS Security Protocol: WPS Number of Ports: 1 Data Transfer Rate: 200 Mbps Maximum Data Transfer Rate