TP-Link TL-WN821N - 300Mbps USB Wi-Fi Adapter - Single-Band 2.4 GHz, Black/White
Compact TP-Link TL-WN821N USB Wi‑Fi adapter — up to 300 Mbps on 2.4 GHz (Wi‑Fi 4), internal antenna, plug-and-play for PC/Laptop; Mac OS X 10.15 compatible.
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| USB Network Adapters - OS Compatibility | macOS |
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TP-Link TL-WN821N. Connectivity technology: Wireless. Host interface: USB. Interface: WLAN. Maximum data transfer rate: 300 Mbit/s. Top Wi-Fi standard: Wi-Fi 4 (802.11n). Wi-Fi band: Single-band (2.4 GHz). USB powered. Product colour: Black. White
| Connectivity technology | Wireless |
| Host interface | USB |
| Interface | WLAN |
| Maximum data transfer rate | 300 Mbit/s |
| Networking standards | IEEE 802.11b. IEEE 802.11g. IEEE 802.11n |
| Feature | Quick start guide |
| Wi-Fi band | Single-band (2.4 GHz) |
| Frequency range | 2.4 - 2.4835 GHz |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |
| Wi-Fi standards | 802.11b. 802.11g. Wi-Fi 4 (802.11n) |
| WLAN data transfer rates supported | 11.54.300 Mbit/s |
| Modulation | 16-QAM. 64-QAM. CCK. DBPSK. DQPSK. OFDM |
| Supported network protocols | CSMA/CA. ACK |
| Component for | PC/Laptop |
| Product colour | Black. White |
| Antenna design | Internal |
| Transmitting power (CE) | 20 dBm |
| Transmitting power (FCC) | 20 dBm |
| Operating modes | Infrastructure mode |
| Mac operating systems supported | Mac OS X 10.15 Catalina |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 5 - 95% |
| Width | 86 mm |
| Depth | 26 mm |
| Height | 12 mm |
| Package width | 148 mm |
| Package depth | 137 mm |
| Package height | 42 mm |
| Package weight | 150 g |
| Cables included | USB |
| Compliance certificates | CE. Federal Communications Commission (FCC). RoHS |
| Harmonized System (HS) code | 85176990 |