DS-3WR4G12C AC1200 4G CAT4 Wireless Router
The DS-3WR4G12C AC1200 4G CAT4 Wireless Router is a versatile, high-speed networking solution designed to provide seamless internet connectivity through both wired and cellular networks. Ideal for home, office, or remote locations, this router combines robust dual-band Wi-Fi performance, LTE CAT4 mobile connectivity, and advanced network management features, delivering reliable, flexible, and secure wireless access for multiple devices.
Compact, Modern Design
The DS-3WR4G12C is built with a sleek, desktop-friendly design, measuring 233.9 mm × 151.4 mm × 40.3 mm, which ensures minimal space usage while maintaining aesthetic appeal. Its lightweight construction at 0.560 kg allows for easy placement on desktops or shelves. The router comes as a complete package with a 9 VDC, 1 A power adapter, two detachable high-gain antennas, an Ethernet cable, a SIM card adapter, and a quick start guide, ensuring a smooth and ready-to-use installation experience. The package dimensions are 405 mm × 307 mm × 80 mm, with a gross weight of 0.620 kg, facilitating safe transportation and storage.
Dual-Band Wireless Connectivity
This router supports dual-band AC1200 Wi-Fi, providing total wireless speeds of up to 1167 Mbps. The 2.4 GHz band delivers 300 Mbps, ideal for general browsing, IoT devices, and light streaming, while the 5 GHz band provides 867 Mbps for high-bandwidth applications such as HD video streaming, online gaming, and file sharing. The device supports IEEE 802.11 a/n/ac wave 2 at 5 GHz and IEEE 802.11 b/g/n at 2.4 GHz, ensuring broad device compatibility.
The router features 2×2 MIMO technology, enhancing multi-device performance by allowing simultaneous connections without sacrificing speed. Beamforming technology further optimizes coverage by focusing Wi-Fi signals directly toward connected devices, improving signal strength, stability, and coverage across your home or office environment.
LTE CAT4 Mobile Connectivity
One of the key advantages of the DS-3WR4G12C is its 4G LTE CAT4 support, allowing internet access in areas without traditional wired broadband. It supports FDD LTE, TDD-LTE, and WCDMA mobile standards, providing versatile cellular connectivity across multiple networks. The router is compatible with multiple bands, including 4G FDD LTE: B1/B3/B7/B8/B20/B28AB, 4G TDD-LTE: B38/B40/B41, and 3G WCDMA: B1/B8, ensuring extensive coverage for mobile networks.
LTE performance delivers download speeds up to 150 Mbps and upload speeds up to 50 Mbps, enabling smooth video calls, streaming, and high-speed downloads over cellular networks. This functionality makes it an ideal solution for remote work, temporary setups, or locations where traditional wired internet is unavailable.
Antennas and Network Interfaces
The router is equipped with two high-gain detachable antennas, providing stable wireless signals and extended coverage throughout indoor spaces. On the hardware front, it offers two RJ45 ports (10/100 Mbps auto-negotiation) for wired connections to computers, printers, or other network devices. LED indicators include power, internet, Wi-Fi, RJ45, and LTE signals, giving users clear status information at a glance. A reset button allows for quick restoration to factory settings.
Flexible Operating Modes
The DS-3WR4G12C supports multiple operational modes to accommodate diverse networking needs:
- Wireless Router Mode – standard internet sharing across multiple devices.
- 3G/4G Route Mode – uses mobile networks as the primary internet connection.
- AP Mode – functions as a dedicated access point to expand existing networks.
Additional features include a DHCP server, guest network support, signal adjustment, and Wi-Fi scheduling, allowing users to optimize network performance and control usage efficiently.
Security and Management
Security is integral to the DS-3WR4G12C, supporting WPA-PSK, WPA2-PSK, and WPA/WPA2 protocols to prevent unauthorized access. Users can enhance privacy by hiding the SSID. Management is simple via a web-based interface, which allows configuration, firmware updates, and access to system logs, ensuring smooth administration even for non-technical users.
Environmental and Operational Reliability
Designed for consistent performance, the router operates in temperatures from 0 ℃ to 40 ℃ (32 ℉ to 104 ℉) with 10%–90% relative humidity (non-condensing). Storage conditions range from –40 ℃ to 70 ℃ with 5%–90% RH, ensuring reliable performance under typical indoor conditions.
Conclusion
The DS-3WR4G12C AC1200 4G CAT4 Wireless Router offers a versatile, reliable, and high-speed networking solution for home, office, or remote applications. With dual-band Wi-Fi, LTE CAT4 mobile connectivity, flexible operating modes, and robust security, this router provides seamless internet access for multiple devices simultaneously. Its compact design, high-gain antennas, and energy-efficient operation make it an ideal choice for users seeking dependable connectivity and maximum flexibility, whether via wired, wireless, or cellular networks.

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