Review on TP-Link TL-WN821N N300 USB Wireless WiFi Network Adapter for PC, Compatible with Windows/Linux/Mac OS by Chong Eun Moon ᠌
I recommend to buy, the product is of high quality.
I bought it for a laptop, since its native receiver (Atheros AR9485WB-EG) does not receive the signal well enough (-60 / -66dBm), It became -53 / -57dBm with it. I expected it to be -50dBm maximum, or even less. Checked with the inSSIDer utility. It is not clear why the signal level is not even, from time to time it starts to jump sharply in a sawtooth to a level of as much as -60 / 65dBm. The native network card does not do this. So I put 4.
- small, inexpensive adapter.
- not very stable and not good enough (for me) reception.
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