ASUS 4G-AC53U AC750 LTE Modem Router (4G-AC53U)
ASUS 4G-AC53U is an AC750 dual-band LTE modem router with Cat.6 300 Mbps speeds, dual WAN support, and stable connectivity for home and remote networking.
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The ASUS 4G-AC53U (SKU: 4G-AC53U) is a dual-band LTE modem router designed for home, SMB, and mobile broadband environments. It integrates 4G LTE connectivity with wireless routing, making it suitable for areas without fixed-line internet or as a backup WAN solution.
This device supports LTE Category 6 technology with download speeds up to 300 Mbps and upload speeds up to 50 Mbps. As a result, it delivers fast and stable mobile broadband using a SIM card. In addition, it supports carrier aggregation, which improves throughput and network efficiency.
The router provides AC750 dual-band WiFi performance. It delivers up to 433 Mbps on the 5GHz band and 300 Mbps on the 2.4GHz band. Therefore, it supports reliable wireless connectivity for browsing, streaming, and light multi-device environments.
For architecture, the 4G-AC53U combines LTE modem, wireless router, and Ethernet WAN functionality. It supports dual WAN operation with automatic failover. As a result, it switches between LTE and wired internet to maintain continuous connectivity.
For wired connectivity, the router includes Gigabit Ethernet LAN ports, with one port configurable as a WAN port. This allows integration with fixed broadband connections when available.
The device runs ASUSWRT firmware. It provides centralized management, QoS, VPN support, and firewall features. Therefore, it enables secure and flexible network control across different deployment scenarios.
The 4G-AC53U fits home users, remote offices, temporary sites, and mobile deployments. It works well for basic connectivity, backup internet, and moderate wireless usage.
Key Features:
- LTE Cat.6 modem with up to 300 Mbps download speed
- AC750 dual-band WiFi (433 Mbps 5GHz + 300 Mbps 2.4GHz)
- Dual WAN support (4G LTE + Ethernet WAN failover)
- Carrier aggregation for improved LTE performance
- Gigabit Ethernet port with WAN/LAN flexibility
- ASUSWRT firmware with QoS, VPN, and network management
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