Question about EnGenius EOC-3220 (EOC3220)

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Antenna Do I need to configure setting in the router if I want to use an 18dBi antenna? And if so how do I do it?

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  • Carl Navarro
    Carl Navarro May 11, 2010

    Every access point I have used with a larger antenna, we just screw 'em in. Keep in mind that the weaker wireless cards might be able to see the bigger antenna, but not transmit back to it. Generally the fringes get a wirelss bridge, which is a wireless router or access point in bridge mode to receive the strong signal and send back to it.

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First off, the EOC-3220 series comes in two choices: the ones ending in EXT, which require you to add an external antenna, and the ones without, to which there is no place to add an external antenna. So there is no decision to be made in the software configuration, because it's all handled above the software's pay grade.
Other Engenius models with "either/or" antennas come with a physical switch that allows you to choose between the internal antenna and the external jack. So again, there's no software contribution.

Posted on Oct 28, 2009

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Dlink external antenna configuration


Hi .In my Experience if you Change the Antenna Must be equal Both are Antenna Like 12 dbi Otherwise you are facing the Slow Issue.
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We have a router motorola WSAP-5110-100-WWR ,, But don't have Antena,, What to do to connect ??


Hmmm, check if it shows up as a network to connect to..... If so it might be an internal antenna.... If not, then you can find antennas on the internet, best bet from the place you bought the router.....
PS: I am assuming you have a Modem?

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Antenna required to connect ap 530in 802.11a mode


The manual for this AP states "If both Radio 1 and Radio 2 are set to the IEEE 802.11b/g mode, Radio 2 must be configured to an external antenna."
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From user manual:
"When the Login pop-up for the Router
appears, please enter “admin” for the
username to access the configuration screen.
(Note: By default, there is no password. If
you cannot get in, please reset the router by
pressing the button next to the antenna on the
back of the router and try logging in again.)"
Follow instruction and let me know if you need a copy of user manual.

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2 Answers

Stronger antenna


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1 Answer

Netgear MR314


Chapter 1: Connecting the Wireless-G Broadband Router
Hardware Installation
1. Locate an optimum location for the Broadband Router. The best place for the Broadband Router is usually at
the center of your wireless network, with line of sight to all of your mobile stations.
2. Fix the direction of the antenna. Try to place it in a position that will best cover your wireless network.
Normally, the higher you place the antenna, the better the performance will be. The antenna's position
enhances the receiving sensitivity.
3. Connect a standard Ethernet network cable to the Broadband Router’s Internet port. Then, connect the other
end of the Ethernet cable to your Cable or DSL Broadband modem.
4. Connect your network PCs or Ethernet devices to one of the Broadband Router’s numbered ports with a
standard Ethernet network cable.
5. Connect the AC Power Adapter to the Broadband Router's Power Socket and the other end into an electrical
outlet. Only use the power adapter supplied with the Broadband Router. Use of a different adapter may result
in product damage.

Chapter 2: Configuring the PCs
Overview
The instructions in this chapter will help you configure each of your computers to be able to communicate with
the Router.
To do this, you need to configure your PC’s network settings to obtain an IP (or TCP/IP) address automatically, so
your PC can function as a DHCP client. Computers use IP addresses to communicate with the Router and each
other across a network, such as the Internet.
First, find out which Windows operating system your computer is running. You can find out by clicking the Start
button. Read the side panel of the Start menu to find out which operating system your PC is running.
You may need to do this for each computer you are connecting to the Router.
The next few pages tell you, step by step, how to configure your network settings based on the type of Windows
operating system you are using. Make sure that an Ethernet or wireless adapter (also known as a network
adapter) has been successfully installed in each PC you will configure.
Configuring Windows 98 and Millennium PCs
1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network icon.
2. On the Configuration tab, select the TCP/IP line for the applicable Ethernet adapter.
Do not choose a TCP/IP entry whose name mentions DUN, PPPoE, VPN, or AOL. If the word TCP/IP appears by
itself, select that line. Click the Properties button.
3. Click the IP Address tab. Select Obtain an IP address automatically.
4. Now click the Gateway tab, and verify that the Installed Gateway field is blank. Click the OK button.
5. Click the OK button again. Windows may ask you for the original Windows installation disk or additional files.
Check for the files at c:\windows\options\cabs, or insert your Windows CD-ROM into your CD-ROM drive and
check the correct file location, e.g., D:\win98, D:\win9x, etc. (if “D” is the letter of your CD-ROM drive).
6. Windows may ask you to restart your PC. Click the Yes button. If Windows does not ask you to restart, restart
your computer anyway.
Configuring Windows 2000 PCs
1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network and Dialup
Connections icon.
2. Select the Local Area Connection icon for the applicable Ethernet adapter (usually it is the first Local Area
Connection listed). Double-click the Local Area Connection. Click the Properties button.
3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click
the Properties button.
4. Select Obtain an IP address automatically. Once the new window appears, click the OK button. Click the
OK button again to complete the PC configuration.
5. Restart your computer.
Configuring Windows XP PCs
The following instructions assume you are running Windows XP with the default interface. If you are using the
Classic interface (where the icons and menus look like previous Windows versions), please follow the
instructions for Windows 2000.
1. Click the Start button and then the Control Panel icon. Click the Network and Internet Connections icon.
Then click the Network Connections icon.
2. Select the Local Area Connection icon for the applicable Ethernet adapter (usually it is the first Local Area
Connection listed). Double-click the Local Area Connection. Click the Properties button.
3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and
click the Properties button.
4. Select Obtain an IP address automatically.
Once the new window appears, click the OK
button. Click the OK button again to complete the PC configuration.

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1 Answer

How to split WIFI signal between one radio and two antenna?


Hi Philip,

To answer your question, from a single TX/RX device (your WiFi unit) to a dual antenna, what you would need as a splitter is more commonly called a "phasing harness".

A phasing harness is a balanced transmission line which is used when you want to stack or use two antennas from a single radio output. In lower frequencies it is made from a pair of 75 ohms high grade coaxial cable of equal odd quarter wavelengths of the operating frequency. The joint at the middle is connected with a “tee” connector with another cable (standard 50 ohms cable) that runs down to the radio. The free ends of the 2 75 ohms coax are then connected to the two antennas. This  site shows phasing harness for multiple antennas.

For microwave region, since losses tends to be magnified, commercial grade are often used rather than home brewed. Examples are shown in this page.

Alternately and perhaps simpler is to just remove the reflector of the 8Dbi patch antenna of the EOC 3220. Normally in designs such as the 3220, the active patch antenna is soldered on one side of the PCB.  At the back is another which looks just like it but slightly bigger. This is the reflector.  The reflector has two (2) purposes:
1.    block any signal coming in from and going to the back of the active patch antenna; and
2.    reflect any back signal of the active patch antenna and re-direct it forward to effectively increase the front signal.

If you decide to remove the reflector, there will be 3 effects on the performance of your TX/RX device:
1.    the front (major) lobe (roughly the front radiation pattern; maximum distance and area covered of the front signal traveled) will be greatly reduced;
2.    that reduction would be translated to a rear coverage; and
3.    it is highly possible that you will have small side lobes as well.

This   document  would give you an idea on the lobes and radiation patterns.

Good luck.

Oct 24, 2007 | EnGenius EOC-3220 (EOC3220)

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