The GL-X750V2 (Spitz) is a robust 4G LTE VPN router designed for IoT applications, offering dual-band Wi-Fi, OpenWrt support, and enhanced security features. Here's a detailed look at its performance and usability based on user experiences.

Performance and Connectivity: Users report solid performance with average speeds of 55 Mbps down and 11 Mbps up, making it suitable for failover connections and rural areas. The router supports both AT&T and T-Mobile networks, though speeds may vary by location.

Ease of Setup: Setting up the GL-X750V2 is straightforward. Inserting a SIM card and following the automatic setup prompts ensures quick connectivity. However, some users noted that rebooting the device can take a while.

Security Features: Pre-installed with OpenVPN and WireGuard, the router supports over 30 VPN service providers. This enhances privacy and security by preventing DNS data manipulation through man-in-the-middle attacks.

User Interface: The router runs on OpenWrt, offering a clean and modern interface. Users appreciate the ability to send and receive text messages directly from the UI, adding convenience for remote management.

Carrier Compatibility: While T-Mobile offers plug-and-play functionality, AT&T users may face challenges with IMEI recognition and SIM card compatibility. It's advisable to verify carrier compatibility before purchase.

Firmware Issues: Some users encountered difficulties upgrading firmware on units with older versions (e.g., 3.104), leading to bricked devices. It's crucial to check firmware version before attempting upgrades.

Overall Verdict: The GL-X750V2 is a reliable choice for those needing a compact, secure IoT gateway with dual-band Wi-Fi. Despite some carrier compatibility issues, its performance and user-friendly interface make it a strong contender in its price range.