Whether you’re working remotely, traveling, or living in an area with limited wired internet options, a reliable 4G router with a SIM card slot can be a game-changer. These devices provide high-speed internet access using mobile data, ensuring you’re always online, no matter where you are. In this article, we’ll explore five of the best 4G routers with SIM card slots, highlighting their key strengths and the ideal scenarios for their use.

Metal case 3*100M lan ports Cat 4 AX300 Wifi 6 best 4g lte router with sim card slot

USD24.00-26.00

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8 High Gain Antennas 1*1000M lan port AX300 Cat 4 Wifi 6 metal case 4g lte router sim card

USD20.00-22.00

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Cat 4 AX300 Wifi 6 single lan port 4g lte router with sim card slot

USD18.00-20.00

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Cat 4 openWRT 2.4G wifi 4g lte cpe router with sim card slot

USD 30.00 - 35.00

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300mbps Cat 4 openWRT 4g wifi router with sim card slot

USD 25.00 - 35.00

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1. Metal Case 3*100M LAN Ports Cat 4 AX300 WiFi 6 Best 4G LTE Router with SIM Card Slot

Why It’s Recommended: Robust Build and Multi-Device Connectivity
This router stands out with its durable metal case and support for WiFi 6 technology, ensuring faster speeds and better performance in crowded networks. The Cat 4 LTE capability delivers download speeds of up to 150Mbps, making it ideal for streaming and browsing. Additionally, it features three 100M LAN ports, allowing you to connect multiple wired devices like PCs, gaming consoles, or smart TVs. The metal case enhances heat dissipation, ensuring stable performance during prolonged use.
Best For: Small offices or households with multiple users and devices. It’s perfect for those who need a reliable, long-lasting router for both wired and wireless connections, especially in environments where overheating might be a concern.

2. 8 High Gain Antennas 1*1000M LAN Port AX300 Cat 4 WiFi 6 Metal Case 4G LTE Router SIM Card

Why It’s Recommended: Superior Signal Strength and High-Speed Wired Connection
Equipped with eight high-gain antennas, this router ensures exceptional signal coverage, making it perfect for large homes or areas with weak cellular signals. The WiFi 6 support with AX300 speeds provides a smooth experience for high-bandwidth activities like 4K streaming or online gaming. Additionally, the 1*1000M LAN port offers gigabit-speed wired connectivity, ideal for devices that require stable, high-speed internet, such as gaming PCs or NAS systems. The metal case further adds to its durability and heat management.
Best For: Users in rural or remote areas with poor signal strength, as well as tech enthusiasts who need a high-speed wired connection for specific devices. It’s also great for larger homes where wide WiFi coverage is essential.

3. Cat 4 AX300 WiFi 6 Single LAN Port 4G LTE Router with SIM Card Slot

Why It’s Recommended: Compact Design with Modern WiFi 6 Technology
This router is a great choice for those who want a compact, no-frills device with modern features. It supports WiFi 6 with AX300 speeds, ensuring efficient performance even with multiple devices connected. The Cat 4 LTE standard provides reliable 150Mbps download speeds, sufficient for most everyday tasks like video calls, browsing, and streaming. Its single LAN port is perfect for connecting one wired device, and the sleek design makes it easy to carry or place in small spaces.
Best For: Solo users, students, or travelers who need a portable, modern router for personal use. It’s ideal for small apartments or on-the-go scenarios where you need a simple yet powerful 4G solution.

4. 300Mbps Cat 4 OpenWRT 4G WiFi Router with SIM Card Slot

Why It’s Recommended: High Speeds and Customization with OpenWRT
This router offers impressive 300Mbps WiFi speeds, making it one of the faster options in this list for wireless connectivity. The Cat 4 LTE support ensures stable mobile data speeds of up to 150Mbps, suitable for HD streaming and light gaming. What sets this router apart is its OpenWRT firmware, which allows advanced users to customize settings, install additional software, and optimize the network for specific needs, such as VPNs or advanced security protocols.
Best For: Tech-savvy users who want to customize their network settings and prioritize wireless speed. It’s a great fit for small households, remote workers, or anyone who values flexibility and control over their router’s functionality.

5. Cat 4 OpenWRT 2.4G WiFi 4G LTE CPE Router with SIM Card Slot

Why It’s Recommended: Budget-Friendly with Reliable Performance for Basic Needs
This router is a cost-effective option for users who need dependable 4G connectivity without advanced features. It supports Cat 4 LTE with download speeds of up to 150Mbps and uses 2.4G WiFi, which provides decent coverage for small to medium-sized spaces. The OpenWRT firmware allows for customization, making it a versatile choice for those who want to tweak their network settings. It’s a straightforward CPE (Customer Premises Equipment) router, perfect for basic internet needs like browsing, social media, and light streaming.
Best For: Budget-conscious users or those in rural areas who need a simple, reliable 4G router for basic internet access. It’s also suitable for users who want the flexibility of OpenWRT but don’t need the latest WiFi standards like WiFi 6.

Conclusion

Choosing the best 4G router with a SIM card slot depends on your specific needs and usage scenarios. If you need wide coverage and signal strength, the 8 High Gain Antennas 11000M LAN Port AX300 Cat 4 WiFi 6 Router is a top pick. For those prioritizing customization, the OpenWRT-based routers (300Mbps Cat 4 and Cat 4 2.4G WiFi models) offer great flexibility. If durability and multi-device connectivity are key, the Metal Case 3100M LAN Ports Cat 4 AX300 WiFi 6 Router is ideal. Lastly, for a compact, modern option, the Cat 4 AX300 WiFi 6 Single LAN Port Router is perfect for portability and ease of use. No matter your requirements, one of these routers will keep you connected wherever you are.