Driven by the latest NextG 820.11n High Speed USB Wi-Fi dongle with a built-in RF amplifier, this slim and handy USB-Yagi directional antenna delivers a remarkable horse power of 2200mW at a top speed of 300Mbps.

Unlike most Yagi antennae with long broom and numerous director elements, the design of the NextG USB-Yagi aims at reducing the overall length of the antenna and whilst exceeding the isotropic gain with a wide 56 deg HPBW (half power beam width) beaming aperture to pick up the Wi-Fi signal nearby and afar, blending the best of both worlds.

See the excellent antenna performance below.

It is also slim and light weight that you could carry it in a traveller bag.

From a technical standpoint, no antenna can be designed with purely trial and error, let alone the ones without calibration and tuning which turn out to make a hugh difference in performance.

We use computer aided design (CAD) to engineer the seamless integration of the BALUN (the antenna's driving element) and the USB dongle (radio), a critical differential advantage for matching the impedance in the light of maximizing the signal transmission and penetration without incurring power loss in coaxial cable.

The antenna is made of rigid metal frame and elements so that its geometry, particularly the driver loop element, stays intact against transportation or normal usage for peak performance

As a result, it instantly improves your computer's Wi-Fi reception capability beyond the built-in standard factory gears.

It works within minutes. Simpy plug in the USB2.0 cable of the NextG USB-Yagi antenna to the laptop or desktop PC followed by a few simple clicks for CD-ROM driver installation - There is absolutely no need to worry about the cable compatibility issue.

What's more? You could construct a High Power Universal Wi-Fi Repeater with the additional 11N USB-Omni AP/Repeater kit. Typical application is to pick up Wi-Fi signal from ashore and let other computers share the Internet simultaneously.

Here's how it works. Use the USB-Yagi to catch the remote signal and share it amongst the other Wi-Fi PC clients with the 11N USB-Omni AP/Repeater. It works with all brands of (remote) wireless router, including OPEN or secured WEP, WAP/WAP2 PSK AES TKIP and 802.1x RADIUS server such as BT Openzone and Free Wi-Fi. Detailed Universal Repeater setup manual is included in the 11N USB-Omni AP/Repeater kit.

Simply faster and more powerful!!



USB-TurboTenna Antenna Instruction Manual

Packing List
Quick Start
Scanning the WiFi Signal
USB Wireless LAN Utility
Advanced Setting Options [STATION Mode]
Advanced Setting Options [ACCESS POINT Mode]

Packing List

Installation of the USB-TurboTenna is straight forward. As soon as you open up the box, you will be able to find the following items:

A USB-TurboTenna High Power Plug & Play antenna with a tripod
A USB2.0 extender cable
A CD-ROM software drivers for Windows 10/8/7 andLinux
An installation guide


Quick Start

Install the CD-ROM software drivers before you plug in the USB-TurboTenna antenna to your PC or laptop computer. This avoids the antenna being recognized by another existing WiFi software driver which might not be fully compatible with the antenna’s original software driver.

Insert the CD-ROM into the CD/DVD drive of your computer.

As soon as the AutoPlay window appears, double click “SETUP.exe” to install the software driver. If the AutoPlay window does not pop up, you could also go to the CD/DVD drive under “My Computer” and double click the SETUP icon.

Reboot your computer.

Plug in the USB-TurboTenna antenna to a spare USB port of your computer using the USB2.0 cable supplied in the kit.


Scanning the WiFi Signal

At the bottom right hand corner of your computer screen, double click the “Five Bar Ramp” icon.

The REALTEK USB Wireless LAN Utility then pops up.

At the top bar which has taps of “General, Profile, Available Network,…, WiFi Protect Setup”, and so on, select “Available Network”.

You might see a number of SSID names (i.e. wireless router ID), and their corresponding channels and encryption methods. Choose the one with your own SSID and double click it to connect.

In case your wireless router is password protected, a new window pops up for filling in the encryption method and your network key (password).


Fill in the Profile Name and SSID of your wireless router.

If the wireless network is not encrypted, choose Open System and Click OK to finish.

Otherwise, choose the Network Authentication and Data encryption. Enter the same setting and key as your wireless router. Click OK to finish.






Open System





Shared key















As soon as you are back to the “Available Network” screen, click “Add to Profile” button to save the SSID profile.

The icon on the lower right hand side is filled with green bars, showing the signal strength of the wireless connection.


USB Wireless Lan Utility

First, open the REALTEK USB Wireless LAN Utility. There are four areas, shown as follows:

(A) Main Menu
The main menu has five submenus at the top left hand bar.

Refresh (R)
Update the contents of adapter list area.

Set Wizard (S)
The USB-TurboTenna has three operating modes:
1) Station (infrastructure) to pick up WiFi signal from a hotspot;
2) Station (Ad Hoc) to pick up WiFi signal from another computer which is also operating in an Ad Hoc mode;
3) Access Point to serve other WiFi enabled client computers.

This wizard walks you through the setup of each mode. Just follow the wizard until you finish.

Module (M)
Manual setting of the operating mode to Station or Access Point.

View (V)
Toggles the Status Bar.

About (A)
Shows the version number reference at the bottom of the utility window.

(B) Adapter Listing Area (on the left hand column of the window)
All USB adapters connected to the computer are shown it this area. You could click on any one of the USB adapters to proceed with setup.

(C) Properties Area
Having selected the USB adapter in the Adapter Listing Area, you may proceed to configure its properties in the Properties Areas which consists of seven submenus, namely:


(D) Global Control Bar
It consists of the following options:

Show Tray Icon – when this box is checked, the management GUI will be minimized and stay on the lower right hand corner of your computer screen. If you uncheck the box and click CLOSE on the bar, the GUI will disappear from the lower right hand corner of the screen and you have to invoke the REALTEK Utility every time you set up the properties of the USB adapter.

Disable Adapter – Turn on and off the USB adapter completely.

Radio Off - Show Tray Icon Turn off the radio for saving power. When the radio box is checked, the links with other wireless network nodes are disconnected. You should be careful not to check the box when the USB adapter is operating in ACCESS POINT mode, otherwise all the WiFi PC clients shall be disconnected.

Status Bar - At the buttom of the Global Control Bar, it shows READY on the left if the utility is working normally. NUM and CAP are shown on the left hand side when these keys are invoked.


Advanced Setting Options [STATION Mode]

Remeber that the USB adapter has two operating modes?

STATION MODE – pick up WiFi signal from a hotspot or an access point; and

ACCESS POINT MODE - to serve other WiFi enabled client computers.

Let's talk about the advanced settings of the STATION mode followed by the ACCESS POINT mode.

Select STATION under Mode [M] in the Main Menu top bar and let's walk through the submenus of the Properties Area from left to right.



This page shows the general information of the adapter.

Status – Either ASSOCIATED or NOT ASSOCIATED with an access point

Speed – N/A or current speed in Mbps (Mega-Bits-Per-Second)

Type– Current wireless LAN configuration type in either INFRASTRUCTURE or AD HOC

Encryption – N/A or current encryption method used

SSID – Shows the name of the wireless network

Signal Strength – An indication of how strong or weak the adapter is picking up the signal from the wireless network.

Link Quality – An indication of the Signal to Noise level.

Throughput Diagram – A chart showing the real time transmitting (TX) and overall traffic (Total)

Network Address Group – Shows the MAC address of the USB adapter, whose current IP address, subnet mast and the IP gateway connected to the wireless network.

Renew IP Button – Click to obtain a new set of IP address, subnet mast and IP gateway from the wireless network.

Back to Advanced Setting Options [STATION Mode]


It shows the current AVAILABLE PROFILE(s) or nothing. Buttons on the right hand column to:

Add – Add a new profile of access point (Infrastructure mode) or IBSS (Ad-Hoc mode)

Remove – Highlight an existing profile and remove

Edit – Highlight an existing profile and edite

Duplicate – Highlight an existing profile and make a copy of it

Set Default – Highlight an existing profile and set it as Default to establish a wireless connection. When the profile is set as Default, a little red circle appears near the profile name.

Back to Advanced Setting Options [STATION Mode]


It shows all the wireless networks seen by the USB adapter.

Refresh – Rescan the available network(s)

Add to Profile – Highlight the SSID and click to save the profile for future use

Back to Advanced Setting Options [STATION Mode]


Power Save – check None to disable power save; check MIN POWER Save to wake up more frequently to receive packets; check MAX POWER Save to wake up less frequently to receive packets. In other words, you use less power by checking the box of MAX POWER (save).

Wireless Mode – Choose either 802.11b or 802.11b/g. The former only allows 802.11b devices to operate whereas the latter allows both 802.11b and 802.11g devices to connect.

Channel Plan - Choose one of the followings to suit the standard to which your country complies.


Preamble Mode – SHORT Preamble indicates that the network is using short preambles (defined in 802.11b High Rate/DSSS PHY, short preamble utilizes a 56 bit sync field in contrast to a 128 bit field used in long preamble mode).

If your packet error rate is high (over 10%), you are probably experiencing interference. A signal strength indicator may report the signal as "good" with interference. Signal quality may even acceptable, since interference may be intermittent. It is possible for interference to be so bad that you don't see high packet error rates because you don't even recognize incoming packets - this can be verified by comparing the number of packets sent by the AP to the number of packets received by wireless client.

Select LONG Preamble with good signal quality, SHORT Preamble for poor signal quality, and AUTO for optimal performance.

Fragment Threshold - Longer data fragment increases data throughput performance with good signal quality. The opposite is true to keep shorter data fragment in poor signal quality to maintain an optimal data throughput.

RTS Threshold – Data packet size which exceeds the Request To Send (RTS) Threshold will be sent out. Larger packet size favors data transmission whilst small pack size lowers the latency for real time traffic (voice and video).

WMM Parameters – WWM stands for Wireless Multi-Media. Check the QUALITY OF SERVICE (Qos) box if you mostly have voice and video real time Multi-Media traffic. Check the POWER SAVE Automatic Power Save Delivery (APSD) ENABLE box for optimal power performance.

Back to Advanced Setting Options [STATION Mode]


A summary of the parameters being used by the USB adapter.

Back to Advanced Setting Options [STATION Mode]


A summary of the Tx and Rx data throughput and error rate.

Back to Advanced Setting Options [STATION Mode]


Wi-Fi Protected Setup (WPS) is a standard for easy and secure establishment of a wireless home network, created by the Wi-Fi Alliance and officially launched on January 8, 2007.
The goal of the WPS protocol is to simplify the process of configuring security on wireless networks, and so it was first named 'Wi-Fi Simple Config'. The protocol is meant to allow home users who know little of wireless security and may be intimidated by the available security options to configure Wi-Fi Protected Access, which is supported by all Wi-Fi certified devices.
The standard achieves its goal by putting much emphasis into usability and security, and the concept is implemented through four usage models that enable a user to establish a home network.

So, to add a new device to the Network the user can have up to the following two choices:
PIN Method, in which a PIN (Personal Identification Number) has to be read from either a sticker on the new wireless client device (STA) or a display, if there is one, and entered at the "representant" of the Network, either the wireless access point (AP) or a Registrar of the Network, cf below the Protocol Architecture.
This is the mandatory baseline model, every Wi-Fi Protected Setup certified product must support it.
PBC Method, in which the user simply has to push a button, either an actual or virtual one, on both the AP (or a Registrar of the Network) and the new wireless client device (STA).
Support of this model is mandatory for APs and optional for STAs.
This page addresses the common scenario involving an Infrastructure Network. The support of ad hoc networks (IBSS) are not supported by WPS.

Back to Advanced Setting Options [STATION Mode]

Advanced Setting Options [ACCESS POINT Mode]

Select ACCESS POINT under Mode [M] of the Main Menu top bar and wait until the switch over from STATION mode is completed.

There are only four submenus in the Properties Area from left to right, we have:



Click CONFIG to set up the properties of the ACCESS POINT. For illustration purpose, the Netwok Name (SSID) is assigned as USB-TurboTenna-AP. AUTO Channel is selected to avoid channel conflict with other AP nearby. You may set up the Channel manually if you know what others are used up in your vicinity. A WEP 128-bit security with the PASSPHASE is entered before clicking OK at the bottom of the window.

SSID - the wireless network name of this ACCESS POINT

BSSID - the MAC address of this ACCESS POINT

CONFIG - click to change the SSID, Channel and Security of the ACCESS POINT

Association Table - shows the MAC address(es) of the WiFi client adapter(s) currently connected to this ACCESS POINT

The same security key must be entered to each WiFi client computer in order to make a connection to SSID USB-TurboTenna-AP.

Back to Advanced Setting Options [ACCESS POINT Mode]


Beacon Interval - The Beacon Interval specifies the duration between beacon packets. Access Points broadcast Beacons or Traffic Indication Messages (TIM) in order to synchronize wireless networks. The default setting of 100 should be ideal for most situations. In a "noisy" environment - one with much interference - decreasing the Beacon Interval may improve network performance. In very remote locations (with few wireless nodes) this value may be increased.

DTIM Period - This setting determines how often the Access Point's Beacon (TIM) contains a delivery traffic indication message (DTIM). The DTIM tells client devices in power-save mode that a packet is waiting for them. The default setting causes client devices using power-save mode to wake up. To conserve battery power in client devices using power-save mode, increase the Data Beacon Rate (DTIM) setting. However, setting the DTIM too high may cause a wireless client to lose its network connection.

The DTIM is a multiple of the Beacon (TIM). So if the DTIM was set to 3, a DTIM message would be sent with every third Beacon.

Premeable Mode - Short or Long. If all Clients and Access Points in your wireless network support Short Preamble, then enabling it can boost overall throughput. However, if any wireless device does not support Short Preamble, then it will not be able to communicate with your network. If you are not sure whether your radio supports the Short RF preamble, then make sure you disable this feature. Long Preamble is the default, as it is a required setting for Wi-Fi compatibility.

Back to Advanced Setting Options [ACCESS POINT Mode]


Back to Advanced Setting Options [ACCESS POINT Mode]


The holy grail of Internet Connection Sharing (ICS) is to relay the Internet picked up from one Network Adapter and share it via another on the same host computer.

In order to share the Internet to the USB-TurboTenna now serving as an ACCESS POINT under SSID USB-TurboTenna-AP, ICS should first be enabled.

In this example, the "Intel(R) PRO/Wireless 3945ABG Network Connection" is picking up the Internet from the wireless router with SSID b3g.

Open its Wirelss Connection Properties as shown below and Click Sharing.

The Sharing window then pops up. Tick the box next to "Allow other network users to connect through this computer's Internet connection" and choose the USB-TurboTenna Adapter (Wireless Network Connection 18 in this example) to share. You may also tick the secound box below depending on the level of security in mind.

Click Settings.

Tick only the options you need. Click OK.

Now, go back to the ICS window. Highlight the "Intel(R) PRO/Wireless 3945ABG Network Connection" and Click APPLY. This initiates the sharing of Internet (from SSID b3g) via the USB-TurboTenna to other WiFi client computers.

The performance of Internet access was extremely good using ICS. Several video clips were being downloaded from YouTube and played smoothly as if they were connected directly to the Internet.

End of Manual.

Back to Advanced Setting Options [ACCESS POINT Mode]