Networking - Wireless. WiFi: 2 x External Detachable. 4G FDD-LTE: 2100 /1800 /850 /2600 /900 /800 /700. 4G TDD-LTE: 2300 /2600 /2500. Power Adapter. Maximum Firewall network service filter: 32. Maximum Firewall URL filter: 64.
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