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TP-Link TL-WN821N (N300) WiFi 4 USB Wireless Adapter

PB Tech price
PB Tech price
$ 19 .07
 +GST
$ 21 .93
 inc GST
$19.07  +GST
$21.93

TP-Link TL-WN821N (N300) WiFi 4 USB Wireless Adapter

Boost your PC with flawless WiFi connectivity. Small, affordable, easy to set up!
  • Brand: TP-Link
  • MPN: TL-WN821N
  • Part #: NETTPL0821
  • UPC:
100
PB Tech price
$ 19 .07 $ 21 .93
 +GST  inc GST


Click & Collect: Select your store to check availability
Delivery: Order now and it ships on 19 Sep When will I receive it?
$19.07  +GST
$21.93
  • Brand: TP-Link
  • MPN: TL-WN821N
  • Part #: NETTPL0821
  • UPC:

Wireless Transmission Speed

300Mbps

WiFi Bands

Single

Interface

USB 2.0

Bluetooth

N/A

WiFi

WiFi 4 (802.11n)

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What PB Tech customers are saying about this product...

See More Reviews

Customer Review Summary

"This WiFi adapter has impressed customers with its easy installation, affordability and reliability. Despite being a lower cost item, the quality isn't compromised. Customers have ...view more"

AI avatar icon
Summarised by AI 14/09/25
AI Bot

"This item works much better than expected and the price is good. I like it."

PN
By: PaulN924 10/06/24
Verified Owner

"very easy to setup on both windows 7 + window 10 , both old hardware."

G
By: Guest 07/12/15

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TP-Link TL-WN821N (N300) WiFi 4 USB Wireless Adapter
Total:
$ 24 .94
 +GST
$ 28 .68
Buy together and save $0.51 $0.59
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$5.87  +GST

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Features

What This Product Does

Wireless N USB Adapter TL-WN821N allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n, they provide wireless speed up to 300Mbps, which is beneficial for the online gaming or even HD video streaming.

Wireless N - Speed & Range

With MIMO (multiple input, multiple output antennas) technology, it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment, even in a steel-and-concrete building. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!

Easy to Install

A friendly user interface utility on a CD for simple installation

Soft AP

Easily establish a high speeds Wi-Fi hotspot with just a few clicks

WPS

Easy wireless security encryption at a push of the WPS button

Specifications

HARDWARE FEATURES

Interface

USB 2.0

Button

WPS Push Button

Dimensions ( W x D x H )

2.7x 0.8 x 0.4 in. (69 x 21 x 9.5mm)

Antenna Type

On-Board

WIRELESS FEATURES

Wireless Standards

IEEE 802.11n, IEEE 802.11g, IEEE 802.11b

Frequency

2.400-2.4835GHz

Signal Rate

11n: Up to 300Mbps(dynamic)
11g: Up to 54Mbps(dynamic)
11b: Up to 11Mbps(dynamic)

Reception Sensitivity

270M: -62dBm @10% PER
130M: -65dBm @10% PER
108M: -68dBm @10% PER
54M: -68dBm @10% PER
11M: -85dBm @8% PER
6M: -88dBm @10% PER
1M: -90dBm @8% PER

Transmit Power

<20dBm(EIRP)

Wireless Modes

Ad-Hoc / Infrastructure mode

Wireless Security

Support 64/128 bit WEP, WPA-PSK/WPA2-PSK

Modulation Technology

DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM

OTHERS

Certification

FCC, RoHS

Package Contents

Wireless Adapter
One USB extension cable
Resource CD
Quick Installation Guide

System Requirements

Windows 8.1/8(32/64bits), Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits),
Mac OS X 10.7~10.10, Linux

Environment

Operating Temperature: 0?~40? (32?~104?)
Storage Temperature: -40?~70? (-40?~158?)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Manufacturer Part No:
TL-WN821N
Brand:
Product Type:
USB Wireless Adapter
UPC
-
Product Family:
-
Shipping Weight:
0.221 kg
PB Part No:
NETTPL0821
Product Model:
TL-WN821N
Warranty: 36 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.

Reviews

4.5 out of 5 Stars Based on 100 reviews
5 Stars
76
4 Stars
10
3 Stars
6
2 Stars
6
1 Stars
2

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Just purchased this early today and works awesome. I've been having problems with my laptops internal wireless adapter and has caused annoying intermittent drops to my wifi connection. This little device took all that frustration away. Brilliant!! And might I add, a great affordable price point.

G
By: Guest 12/06/16
0 out of 0 users found this review helpful
Did you find it helpful?

This product deserves all the five star reviews it gets. A great price and nothing is budget about this product or it's accessories....Extra long extension usb cable,strong connection. Another five stars from me.

CC
By: CliffC5 03/06/16
Verified Owner
0 out of 0 users found this review helpful
Did you find it helpful?

Wifi adapter set up without skipping a beat. Provides a fast connection and we have had no drops outs or slow patches in the first month of use.

We are mainly using for watching Netflix and I have played some online games on this computer and so far have not noticed any lag or instability.

BC
By: BenjaminC3 17/05/16
Verified Owner
0 out of 0 users found this review helpful
Did you find it helpful?

Excellent adaptors, make sure you have the latest drivers though.
did not work stable in Win8 but in Win10 they are very stable (no issues whatsoever) in fact better than the Belkin equivalent.

KF
By: KentF 23/04/16
0 out of 0 users found this review helpful
Did you find it helpful?

Easy installation. Great connection. Seems as fast as when it was hard wired.

SS
By: SandyS91 29/03/16
Verified Owner
0 out of 0 users found this review helpful
Did you find it helpful?

Its quick and easy to install, after that had no problems and a fast connection.

RT
By: RvkyletibsT 21/01/16
0 out of 0 users found this review helpful
Did you find it helpful?

G
By: Guest 04/01/16
0 out of 0 users found this review helpful
Did you find it helpful?

G
By: Guest 21/12/15
0 out of 0 users found this review helpful
Did you find it helpful?

very easy to setup on both windows 7 + window 10 , both old hardware.

G
By: Guest 07/12/15
0 out of 0 users found this review helpful
Did you find it helpful?

Excellent product.. Easy quick instillation. Hasn't dropped out and its been weeks :)

G
By: Guest 23/11/15
0 out of 0 users found this review helpful
Did you find it helpful?

Has an annoying habit of dropping out and having to be moved to a different USB slot to work again.

G
By: Guest 29/10/15
0 out of 0 users found this review helpful
Did you find it helpful?

Works well after installation from CD. Provides a fast connection which doesn't drop out. Perfect for a desktop without an internal wifi card.

KP
By: KonradP 07/05/15
Verified Owner
0 out of 0 users found this review helpful
Did you find it helpful?

Accessories

Delivery & Pick-up

Potential courier delays: Please note that due to the high volumes currently within the NZ courier network there is potential for some deliveries to be delayed.

Delivery Estimates

The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1-2 working days for North Island deliveries and 2-3 working days for South Island deliveries. Rural deliveries may take an extra working day. Bulk & hazard deliveries may take an extra 2-4 working days.

Next Day Delivery

Need your order in a hurry? PB Tech offers next day delivery for local Auckland addresses. Simple place your order before 4pm (provided your items are in stock) and select our next day delivery option in the checkout. T&C's apply. Learn more about Next Day Delivery.

Same Day Delivery

Need your order in a hurry? PB Tech offers same day delivery for Auckland, Hamilton, Wellington and Christchurch. Simple place your order before 1pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.

Shipping Costs

Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.

To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.

Shipping Security & Insurance

All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.

1 Hour Store Pick-up / Click & Collect

You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.

Overseas Shipments

PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com

Returns & Warranty

7 day right of exchange

If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.

To exchange a product, goods must be sealed and unopened, with packaging in original condition, accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange. A 20% restocking fee may be applied where goods are not returned in sealed, original packaging condition.

If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase. Items purchased on finance cannot be exchanged for a gift card.

 

Hassle free warranty service

If your product develops a fault within the manufacturer warranty period, you can either contact the manufacturer directly (some manufacturers provide a high level of warranty service - including free pickup or in some cases onsite repair), or return to one of our services centres / stores. Where the product has been directly imported by PB Tech, you need to contact us directly or present the product at any one of our service centres / stores together with your proof of purchase.

If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.

 

Returning a product / making a warranty claim

To contact the manufacturer directly to troubleshoot your product or to request a warranty repair, please view the list of manufacturer / brand warranty contacts (for products imported directly by PB Tech please return to us directly by completing our request a return form).

To return a product to PB Tech directly, please complete our request a return form.

Or view our returns policy for more information.

TP-Link TL-WN821N (N300) WiFi 4 USB Wireless Adapter

Boost your PC with flawless WiFi connectivity. Small, affordable, easy to set up!
  • Brand: TP-Link
  • MPN: TL-WN821N
  • Part #: NETTPL0821
PB Tech price $19.07 Excluding GST PB Tech price $21.93 Including GST

Date Created: 04:47, 15-09-2025
Product URL: https://www.pbtech.co.nz/product/NETTPL0821/TP-Link-TL-WN821N-N300-WiFi-4-USB-Wireless-Adapter?pg=8
Branch New Stock On Display
Auckland - Albany 0
Auckland - Glenfield 0
Auckland - Queen Street 0
Auckland - Auckland Uni 0
Auckland - Newmarket 0
Auckland - Westgate 0
Auckland - Penrose 0
Auckland - Henderson (Express) 0
Auckland - St Lukes 0
Auckland - Manukau 0
Hamilton 0
Tauranga 0
New Plymouth 0
Palmerston North 0
Petone 0
Wellington 0
Auckland - Head Office 0
Auckland - East Tamaki Warehouse 0
Christchurch - Hornby 0
Christchurch - Christchurch Central 0
Dunedin 0

Features

What This Product Does

Wireless N USB Adapter TL-WN821N allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n, they provide wireless speed up to 300Mbps, which is beneficial for the online gaming or even HD video streaming.

Wireless N - Speed & Range

With MIMO (multiple input, multiple output antennas) technology, it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment, even in a steel-and-concrete building. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!

Easy to Install

A friendly user interface utility on a CD for simple installation

Soft AP

Easily establish a high speeds Wi-Fi hotspot with just a few clicks

WPS

Easy wireless security encryption at a push of the WPS button

Specifications

HARDWARE FEATURES

Interface

USB 2.0

Button

WPS Push Button

Dimensions ( W x D x H )

2.7x 0.8 x 0.4 in. (69 x 21 x 9.5mm)

Antenna Type

On-Board

WIRELESS FEATURES

Wireless Standards

IEEE 802.11n, IEEE 802.11g, IEEE 802.11b

Frequency

2.400-2.4835GHz

Signal Rate

11n: Up to 300Mbps(dynamic)
11g: Up to 54Mbps(dynamic)
11b: Up to 11Mbps(dynamic)

Reception Sensitivity

270M: -62dBm @10% PER
130M: -65dBm @10% PER
108M: -68dBm @10% PER
54M: -68dBm @10% PER
11M: -85dBm @8% PER
6M: -88dBm @10% PER
1M: -90dBm @8% PER

Transmit Power

<20dBm(EIRP)

Wireless Modes

Ad-Hoc / Infrastructure mode

Wireless Security

Support 64/128 bit WEP, WPA-PSK/WPA2-PSK

Modulation Technology

DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM

OTHERS

Certification

FCC, RoHS

Package Contents

Wireless Adapter
One USB extension cable
Resource CD
Quick Installation Guide

System Requirements

Windows 8.1/8(32/64bits), Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits),
Mac OS X 10.7~10.10, Linux

Environment

Operating Temperature: 0?~40? (32?~104?)
Storage Temperature: -40?~70? (-40?~158?)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Date Created: 04:47, 15-09-2025
Product URL: https://www.pbtech.co.nz/product/NETTPL0821/TP-Link-TL-WN821N-N300-WiFi-4-USB-Wireless-Adapter?pg=8