TP-Link TL-WN781ND User Manual

CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference,
in which case the user may be required to take adequate measures.
This device has been designed to operate with the antennas listed below, and having a
maximum gain of 3 dBi. Antennas not included in this list or having a gain greater than 2 dBi are
strictly prohibited for use with this device. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so
chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that permitted
for successful communication.
Canadian Compliance Statement
This device complies with Industry Canada license-exempt RSS standard(s). Operation is
subject to the following two conditions:
(1)This device may not cause interference, and
(2)This device must accept any interference, including interference that may cause undesired
operation of the device.
Cet appareil est conforme aux norms CNR exemptes de licence d’Industrie Canada. Le
fonctionnement est soumis aux deux conditions suivantes:
(1)cet appareil ne doit pas provoquer d’interférences et
(2)cet appareil doit accepter toute interférence, y compris celles susceptibles de provoquer un
fonctionnement non souhaité de l’appareil.
Industry Canada Statement
Complies with the Canadian ICES-003 Class B specifications.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
This device complies with RSS 210 of Industry Canada. This Class B device meets all the
requirements of the Canadian interference-causing equipment regulations.
Cet appareil numérique de la Classe B respecte toutes les exigences du Règlement sur le
matériel brouilleur du Canada.
Korea Warning Statements
당해 무선설비는 운용중 전파혼신 가능성이 있음.

TP-Link TL-WN781ND Specifications

General

Wi-Fi	Yes
Modulation	16-QAM, 64-QAM, CCK, DBPSK, DQPSK, OFDM
Wi-Fi band	Single-band (2.4 GHz)
Frequency range	2.4 - 2.4835 GHz
Wi-Fi standards	802.11b, 802.11g
Security algorithms	128-bit WEP, 64-bit WEP, WPA-PSK, WPA2-PSK
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Maximum data transfer rate	150 Mbit/s
WLAN data transfer rates supported	11, 54, 150 Mbit/s
Interface	WLAN
Connectivity technology	Wireless
Chipset	Atheros
Product color	Green
Operating modes	Infrastructure mode
Antenna direction type	Omni-directional
Antenna gain level (max)	2 dBi
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	10 - 90 %
Harmonized System (HS) code	85176990
Sustainability certificates	RoHS, Federal Communications Commission (FCC), CE
Windows operating systems supported	Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows Vista, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows Vista x64, Windows XP, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Package depth	150 mm
Package width	200 mm
Package height	39 mm
Package weight	150 g

Weight and Dimensions

Depth	78.5 mm
Width	120.8 mm
Height	21.5 mm

Summary

Copyright and Trademarks

FCC Statement

FCC RF Radiation Exposure Statement

Details FCC compliance with radiation exposure limits for uncontrolled environments.

CE Mark Warning

Canadian Compliance Statement

States compliance with Industry Canada license-exempt RSS standards.

Korea Warning Statements

Warning regarding potential radio interference during operation in Korea.

NCC Notice

Safety Information

Provides essential safety guidelines, including power off, disassembly, and water avoidance.

Declaration of Conformity

Package Contents

Chapter 1 Product Overview

1.1 Introduction

Introduces the adapter as an 802.11n client device for high-speed wireless.

1.2 Features

Lists the adapter's compliance, security, speed, and OS support.

1.3 Hardware Overview

Chapter 2 Installation

2.1 Hardware Installation

Step-by-step guide for physically installing the PCI Express adapter into the computer.

2.2 Software Installation

Chapter 3 Connect to a Wireless Network

3.1 To connect using TWCU

Step-by-step guide to connect to a wireless network using the TP-LINK utility.

3.2 To connect using WPS

Guide to connect to a wireless network using Wi-Fi Protected Setup (WPS).

3.3 To connect using Windows built-in wireless utility

Instructions for connecting using the operating system's native wireless utility.

Chapter 4 Management

4.1 Profile

Manage saved wireless network configurations (profiles).

4.2 Advanced

Access advanced configuration options for the adapter.

4.3 About

Displays information about the driver and utility software versions.

Chapter 5 AP Mode (For Windows 7 only)

Chapter 6 Uninstall Software

6.1 Uninstalling Software on Windows XP/Vista/7

Steps to uninstall utility and driver software on Windows XP, Vista, and 7.

6.2 Uninstalling Software on Windows 8

Steps to uninstall utility and driver software on Windows 8.

Appendix A: Specifications

Appendix B: Glossary

802.11n Standard

Defines the 802.11n wireless standard with MIMO technology.

Ad hoc Network Definition

Defines an ad hoc network as a peer-to-peer wireless LAN.

Infrastructure Network Definition

Defines an infrastructure network connecting devices via an access point.

WEP Security Protocol

Defines WEP as a data privacy mechanism for wireless networks.

WPA Security Protocol

Defines WPA as a wireless security protocol using TKIP encryption.