GL-X750V2 (Spitz) AT&T IoT Certified, 4G LTE VPN Router(No B

The Verdict

The GL-X750V2 (Spitz) isn’t your typical home router. It’s a 4G LTE VPN workhorse designed for people who need reliable connectivity in places where traditional broadband doesn’t reach — or where they don’t trust the local network. With AT&T IoT certification, a dual-SIM setup, and serious VPN chops, it’s aimed at remote workers, RVers, and IT pros who treat connectivity as a lifeline, not a convenience.

What’s Actually in the Box

Open the box and you get the router itself — a compact, fanless metal unit measuring about 4.7 x 4.7 x 1.4 inches — plus four external LTE antennas, a 12V/2A power adapter, and an Ethernet cable. There’s no SIM card included, so you’ll need to source your own data plan. The unit has two SIM slots (one standard, one micro) and two Gigabit Ethernet ports (one WAN, one LAN). Notably absent: any mounting hardware, so you’ll need to set it on a shelf or DIY a mount.

Performance and Real-World Build

The Spitz runs on a dual-core 580 MHz processor with 256MB RAM — modest specs, but this is a router, not a gaming PC. The real star is the Quectel EG25-G modem, which supports LTE Cat 4 speeds up to 150 Mbps down. In practical terms, that means you can stream, video conference, and run cloud backups without choking. The dual SIM failover is the standout feature: if your primary carrier drops, it switches to the secondary within seconds. One buyer noted, “I’ve been using this in my RV for six months. When Verizon drops, it flips to AT&T seamlessly — I don’t even notice.” That’s the kind of reliability that justifies the price.

The VPN functionality is where this device punches above its weight. It runs OpenVPN and WireGuard as both client and server, with a clean web interface that makes configuration straightforward even for semi-technical users. You can route all traffic through a VPN tunnel, or set up policy-based routing for specific devices. For remote workers using hotel Wi-Fi or public networks, this is a genuine security upgrade.

What Buyers Consistently Praise

The AT&T IoT certification is a big deal for many users — it means the device is officially approved for AT&T’s network, so you don’t have to fight with IMEI whitelisting or hope your SIM gets activated. One reviewer put it simply: “Plugged in my AT&T SIM, it worked immediately. No calls to support, no headaches.” The dual SIM failover and the fanless, low-power design (5W max) also earn consistent praise for quiet, efficient operation.

Where It Falls Short

The Wi-Fi is the weakest link. It’s 802.11ac (Wi-Fi 5) only, and the range is best described as “adequate for a single room or small RV.” If you’re trying to cover a large house or multiple floors, you’ll need a separate access point. Also, the setup process assumes you have a SIM with an active data plan — there’s no built-in LTE modem for voice or SMS, and the router can’t send or receive texts. For some users, that’s fine; for others, it’s a limitation. Finally, the AT&T IoT certification doesn’t mean you’ll get unlimited data — you’re still bound by your plan’s terms, and some users have reported unexpected data throttling on certain plans. As one buyer put it, “The hardware is solid, but do your homework on the data plan before you buy.”

Who Should Buy This

This router is for three specific groups: remote workers who need a secure VPN connection from anywhere, RV and van dwellers who need reliable LTE connectivity on the move, and IT professionals who need a backup WAN link or a temporary site connection. If you’re in one of those groups, the Spitz is a strong choice. If you just want a home router with fast Wi-Fi, look elsewhere — you’ll pay for LTE and VPN features you don’t need.

FAQ

Q: Can I use this with any carrier, or only AT&T? A: The AT&T IoT certification means it’s guaranteed to work on AT&T. It also works with T-Mobile and most MVNOs that use GSM networks, but you’ll need to verify compatibility with your specific carrier.

Q: Does the router support external antennas for better signal? A: Yes, it comes with four external antennas, and they’re replaceable. If you’re in a weak signal area, you can upgrade to higher-gain antennas for better reception.

Q: Can I use this as a regular Wi-Fi router without a SIM card? A: Yes. You can plug in an Ethernet connection via the WAN port and use it as a standard router, though that’s underutilizing the device — you’d be paying for LTE and VPN features you’re not using.

The Verdict

Buy it if: You need reliable, secure 4G LTE connectivity in a remote or mobile setting, and you want a router that handles VPNs natively. The dual SIM failover and AT&T certification make it a dependable choice for work-from-anywhere setups.

Skip it if: You’re looking for a fast home Wi-Fi router with modern features like Wi-Fi 6, or you don’t need LTE or VPN capabilities. You’ll be overpaying for features you won’t use.

Rating: 4.2/5 — The Spitz is a niche product executed well. It’s not for everyone, but for its intended audience, it’s a reliable, flexible tool that earns its keep.

Where to Buy

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.