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| Ports & interfaces | |
| Connectivity technology The technology that enables connectivity of the device, e.g. wired or wireless. | Wireless |
| Host interface Interface that enables a host controller to communicate with a driver. | USB |
| Interface Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2. | WLAN |
| Network | |
| Maximum data transfer rate The maximum speed with which data can be transmitted from one device to another. | 300 Mbit/s |
| Networking standards The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g. | IEEE 802.11b,IEEE 802.11g,IEEE 802.11n |
| Wi-Fi Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves. |
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| Wi-Fi band The frequency bands the product features. | Single-band (2.4 GHz) |
| Frequency range | 2.4 - 2.4835 GHz |
| Top Wi-Fi standard Connection of this device is done via Wi-Fi in a high standard. | Wi-Fi 4 (802.11n) |
| Wi-Fi standards The type of wireless local area network (LAN). It can be ad-hoc, where units in a network communicate peer-to-peer, or Infrastructure, where units communicate with each other via an access point A LAN interconnects computers in a small area e.g. home, school or office. | 802.11b,802.11g,Wi-Fi 4 (802.11n) |
| Modulation Modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal (High Frequency Signal), with a modulating signal which typically contains information to be transmitted. The aim of digital modulation is to transfer a digital bit stream over an analog bandpass channel, for example over the public switched telephone network (where a bandpass filter limits the frequency range to between 300 and 3400 Hz), or over a limited radio frequency band. The aim of analog modulation is to transfer an analog baseband (or lowpass) signal, for example an audio signal or TV signal, over an analog bandpass channel at a different frequency, for example over a limited radio frequency band or a cable TV network channel. | 16-QAM,64-QAM,CCK,DBPSK,DQPSK,OFDM |
| Supported network protocols Network protocols tested as compatible with this product e.g. FTP,HTML, POP. | CSMA/CA, ACK |
| Design | |
| Recommended usage What the product should be used for, and how it should be used (e.g. ambient temperature). | PC / Notebook |
| Product colour The colour e.g. red, blue, green, black, white. | Black,White |
| Internal The product is built in. |
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| Antenna type Type of antenna, also known an aerial, e.g. external, internal. | Omni |
| Receiver sensitivity | 270M: -68dBm@10% PER 130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER |
| RoHS compliance The Restriction of Hazardous Substances (RoHS) Directive aims to restrict certain dangerous substances commonly used in electrical and electronic equipment. Any RoHS compliant product is tested for the presence of Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), Polybrominated biphenyls (PBB), and Polybrominated diphenyl ethers (PBDE). PBB and PBDE are flame retardants used in several plastics. For Cadmium and Hexavalent chromium, there must be less than 0.01% of the substance by weight at raw homogeneous materials level. For Lead, PBB, and PBDE, there must be no more than 0.1% of the material, when calculated by weight at raw homogeneous materials. Any RoHS compliant component must have 100 ppm or less of mercury and the mercury must not have been intentionally added to the component. In the EU, some military and medical equipment are exempt from RoHS compliance. |
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| Certification | CE, FCC |
| Power | |
| USB powered The device can be powered via a USB connection. |
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| Operational conditions | |
| Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated. | 0 - 40 °C |
| Storage temperature (T-T) The minimum and maximum temperatures at which the product can be safely stored. | -40 - 70 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage relative humidity (H-H) | 5 - 95% |
| Packaging content | |
| Cables included | USB |
| System requirements | |
| Compatible operating systems List of desktop operating systems tested as compatible with this product. | Win 2000/XP/Vista |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 69 mm |
| Depth The distance from the front to the back of something. | 21 mm |
| Height The measurement of the product from head to foot or from base to top. | 9.5 mm |
| Packaging data | |
| Quantity The number of products there are. | 1 |
| Other features | |
| Compliance industry standards List of characteristics that describe methods of compliance to industry-defined standards for the product | EEE 802.11n(draft 2.0), IEEE 802.11g, IEEE 802.11b |
| Quick start guide Instructions, either online, as a computer program or in paper form, to allow you to set up and start using the product quickly. |
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| Supported data transfer rates Rates at which data can be transferred. May vary according to network configurations. | 270/243/216/162/108/81/54/27 Mbps |
| Technical features | MIMO, CCA |
| Output power description | 20 dBm |
| SKU | 283045 |
| MPN | TL-WN821N |
| Brand | TP-Link |
| Product Condition | Brand New/Unused |
| Adapter Type | USB Adapter |
| Stock Availability | Available for Shipping |
| Product Use | Gaming |
| Warranty Period | 3 Years Warranty |
| Warranty Contact | https://www.tp-link.com/ |