Mercusys 4G+ Cat6 AC1200 Wireless Dual Band Gigabit Router, Connection with Up to 64 Devices, 4G Network Nano SIM Slot Unlocked, SIM Card Plug and Play, Easy App Control (MB230-4G)

• 4G+ network – Enjoy the 4G+ Cat 6 download speeds up to 300 Mbps.
• Plug a SIM card and play – No configurations needed, compatibility of SIM cards are assured by years of field tests.
• Dual Band 1200 Mbps Wi-Fi – Fast Wi-Fi speeds up to 300 Mbps on the 2.4 GHz band and 867 Mbps on the 5 GHz band.
• Simultaneous Connection– Enjoy and share internet access with up to 64 Wi-Fi devices.
• Wi-Fi router mode – Plug an Ethernet cable into the LAN/WAN port for flexible access if you can't get a 4G connection.

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From the manufacturer

Setting Limit

Set the maximum amount of flow used to avoid overspending. And you can set receiving SMS alerts when approaching the limit.