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TP-LINK TL-WN821N v3
"2052500288" and "Rev: 1.1" is silkscreened on the board in the FCC photos. Version with both chips on one side.
On http://jiushu.blog.51cto.com (w/ internal images)
- "2052000270" is silkscreened on the board. The "Rev:" <...> text is covered by a sticker. Version with chips on different sides.
- The device is using AR7010-AL1A and AR9287-BL1A.
- The casing plastic is ABS+PC (resin code 7).
- 270M: -68dBm w/ 10% PER
- 130M: -68dBm w/ 10% PER
- 108M: -68dBm w/ 10% PER
- 54M: -68dBm w/ 10% PER
- 11M: -85dBm w/ 8% PER
- 6M: -88dBm w/ 10% PER
- 1M: -90dBm w/ 8% PER