Archer T4U V3 User Guide

Chapter 1 Get to Know About Your Adapter

This chapter introduces what the adapter can do and shows its appearance.

This chapter contains the following sections:

Product Overview

LED Status

1. Product Overview

TP-Link Wireless USB Adapter connects your computer to a Wi-Fi network for lag-free video streaming, online gaming, secure internet surfing and internet calls.

• Compatible with 802.11a/b/g/n products

• Maximum speed of 867Mbps at 5GHz or 400Mbps at 2.4GHz network

• Support beamforming technology which concentrates the Wi-Fi signal towards your router to create stronger overall connections

• With super speed USB 3.0 port, the adapter experiences blazing speed data transfers up to 10x faster than USB 2.0

• Supports ad-hoc and infrastructure mode

• Supports 64/128 bit WEP, WPA-PSK/WPA2-PSK

• With WPS button, the adapter provides secured connection at the push of a button

• Supports Windows, Mac and Linux

2. LED Status

You can check the adapter’s working status by following the LED Explanation table.




The driver has not been installed.

The adapter’s radio has been disabled.

Flashing Slowly

The driver has been installed but no data is being transmitted or received.

Flashing Quickly

Data is being transmitted or received.


If the LED is off, try these troubleshooting tips:

1.Check if the adapter is recognized and enabled or not. Refer to T2 for detailed instructions.

2.Remove and reinsert the adapter.

3.Reinstall the software, if necessary.