Is this router AT&T compatible?

We use an AT&T SIM and it works great. Their corporate office will try to tell you it isn’t compatible because of their “switch to 5G” but that’s just because they’d rather sell you their inferior whole home hotspot. I did have to change some settings to get it working correctly, but the dudes at my local AT&T were super helpful with getting me up and running.

ASIN	B0BN2SY589
Antenna Location	Indoor/Outdoor
Antenna Type	Fixed
Best Sellers Rank	#211,561 in Electronics ( See Top 100 in Electronics ) #1,334 in Computer Routers
Brand	Cudy
Built-In Media	cable
Color	Black
Compatible Devices	Personal Computer
Connectivity Technology	LTE, Wi-Fi
Control Method	Touch
Coverage	Strong and Extensive Wi-Fi Signal
Customer Reviews	4.2 out of 5 stars 162 Reviews
Data Transfer Rate	1200 Megabits Per Second
Frequency	2.4 GHz
Frequency Band Class	Dual-Band
Has Internet Connectivity	Yes
Has Security Updates	No
Is Electric	Yes
Is Modem Compatible	Yes
Item Dimensions L x W x H	9.96"L x 6.02"W x 1.89"H
Item Height	4.8 centimeters
LAN Port Bandwidth	10/100/1000Mbps
Manufacturer	Shenzhen Cudy Technology Co., Ltd.
Maximum Upstream Data Transfer Rate	150 Megabits Per Second
Model Name	LT12
Model Number	LT12
Number of Antennas	6
Number of Ports	4
Operating System	RouterOS
Other Special Features of the Product	Remote Access, WPS
RAM Memory Installed	128 MB
Router Network Type	cellular router
Security Protocol	WPA2-PSK
Special Feature	Remote Access, WPS
Voltage	12 Volts (DC)
Wireless Communication Standard	802.11ac
Wireless Compability	802.11ac

Cudy 4G LTE Cat 12 WiFi Router, LTE Modem Router, Qualcomm Chipset, Dual SIM 4G Cellular Router, AC1200 Dual Band WiFi, 4 Gigabit Ports, OpenVPN, WireGuard, Band Lock, TTL, at Command

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