Warning: This extender is strictly proprietary. It requires an active AT&T home internet subscription and is ONLY compatible with AT&T Gateway models BGW320, BGW210, Pace 5268AC, NVG599, and NVG589. It will not connect to normal retail routers or non-AT&T modems."

Official AT&T Compatibility List

According to AT&T Support, the AirTies 4921 is strictly compatible with the following official AT&T residential gateway models:

• BGW320

• BGW210

• Pace 5268AC

• NVG599

• NVG589

Critical Exclusions (What it will NOT work with)

To protect your shop from future returns, make sure to explicitly state that it is incompatible with:

• Non-AT&T Routers: Completely unsupported on any third-party equipment.

• AT&T Internet Air Hubs: Newer 5G fixed-wireless equipment (such as the BGW620, BGW530, or CGW450 All-Fi Hubs) requires newer extender models like the AirTies 4991 or 4971EM.

• AT&T Fixed Wireless Internet: Separate from standard residential fiber/DSL packages and completely incompatible with this hardware