How to find the serial number on TP-Link devices
For some products, smart bulbs like LB xxx, Antennas, some MiNi routers (like TL-WR702N), or some wireless adapters (like Archer T1U, Archer T2U, Archer T2U Plus, Archer T3U, Archer T3U Plus, Archer T4U V1&V2, TL-WN723N, TL-WN725N, TL-WN823N, etc.), there is no label on the product itself. Please look for the serial number on the box.
We take the PCI adapter as an example:
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