Wireless Network Installation
By admin | March 31, 2008
Going in the Right Direction?
SMART WI-FI WITH ZONE FLEX AND MEDIA FLEX WIRELESS NETWORKS
We specialize in Wireless Network installation in two areas:
Residential- We guarantee wireless coverage that will support video, voice and data. Each one of your wireless access points can cover 4000 sq ft at 20 mbps utilizing Smart Wifi Beam flex Technolgy. This eliminates the need to run ethernet or coxial cable through out your home.
Small and Medium Business - We install I.T. lite wireless networks that just work. We will design your wireless network that does not require a I.T. staff to maintain it , is cheap and highly reliable. A centrally managed wireless network that is dynamic enough to react to your companies needs and not break your wallet.
Wireless Ninja Networks Include:
- Quick Installation
- Automatic Client Configuration
- Dynamic Key Distribution
- Beam Flex Smart Antennas
- Captive Portals
- Greater coverage per Wireless Access Point means less Money
Topics: WIRELESS NINJA | No Comments »
9000 Square Feet One Wireless Access Point = Full Signal
By admin | February 13, 2008
Wireless Ninja Review: Ruckus ZoneFlex 2942 Wireless Access Point
Mission: 7000 square ft single family brick home with marble floors needs a wireless network that will give internet access for multiple family members through out the house and backyard porch.
The Ruckus Wireless Access point has 12 antennas that utilizes beamflex technology. Beamflex means that the access point will follow you where ever you roam and direct the the RF signal directly to you. Now instead of a dumb dough nut RF pattern you now have a RF radiation pattern like a directional antenna that tracks your movements. This gives you stable non-fluctuating bandwidth that guarantees you 17-20mbs of throughput.
The Wireless Ninja team arrived at the home and did a quick site survey. The family was currently using one Linksys Draft N wireless router which was giving them a weak signal on two of the three levels of the home. We disabled the wireless portion of the the Linksys router and plugged in our p reconfigured Ruckus Zoneflex 2942 wireless access point. The 2942 has many features like the ability to host four different SSID’s and bandwidth throttling. The web interface is similar to all the other wireless networking equipment on the market.
Now that the Wireless Ninja have configured the network we had to test the signal. We installed the access point on the top level of the home and began walk down the marble stair case to the second floor. The linksys wireless router gave the family a very weak signal on the mail floor but the Ruckus Zoneflex wireless access point now was giving a them a full signal. Now we moved to the basement level where our wireless signal stayed stable and did not fluctuate. Our wireless adapters RSSI showed a full signal throughout the whole house which we also tested by steaming video ( X-Men 3) and various mps downloads.
The final test was to move to the back yard porch where we still received a full signal strength level and our video speed had not dropped off. Now we had fun and moved throughout the whole back yard moving to the front and kept walking down the sidewalk while steaming video ( still X-Men 3). Our video feed finally dropped about a full block away from the house.
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Wireless Ninja Digital Real Estate
By admin | February 12, 2008
Add Instant Value to your commericial home or property by adding a industrial strength wireless network at a low consumer price. The wireless ninja team gives property owners the ability to adapte every square foot to their digital life style.
Wireless Ninja networks feature the most advanced equipment on the market utilizing BeamFlex technology. Our 200 milliwatt 14 point smart antenna arrayed wireless access points provide you with a gauranteed throughput of 20mbps.
Each access point can handle 50 data users or 20 concurrent VOIP wireless phone calls.
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Wireless Networks Add Instant Property Value
By admin | February 11, 2008
Productivity and Entertainment come built-in with a Wireless Ninja enabled property. Don’t run wiring call us we give you the ability to:
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Stream Video
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Wireless VOIP Phone Calls
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High Velocity Downloads
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No need to wire
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Reduces down Time
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Watch IPTV
Each one of our access points covers 5000-10000 square ft which means less costs and less money
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Wireless Ninja Network
By admin | February 10, 2008
The disassociation frame is a management frame used to notify another station of the termination of an association. It may be invoked by the access point or client station. Disassociations are known as notifications, rather than requests because they may not be refused by either the access point or client station, and are always successful. The receiver is not required to respond to a disassociation response.
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Wireless Antennas: We have 14 Antennas you have 2….
By admin | February 4, 2008
Our wireless access points have 14 antennas that are programmed with beam flex technology. Most home wireless networks have two di-pole antennas that emmit a “dumb Doughnut” Rf signal. Our wireless networks are like a smart bomb with all avaliable RF signa beamed directly to your location.
There are many different types of wireless antennas and one of the most underused is the directional wi-fi antenna. It will be used for shooting a wireless signal down a hall way or creating a point-to-point link. Directional wi-fi antennas can be directional such as a panel antenna or semi-directional like a yagi antenna and even highly directional like a grid antenna.
It should be used in areas where you need to cover like a 60 degree horizontal zone. This provides you with two benefits, first you are focusing your wireless signal in the area that you need it and two, this will increase your security because half of you signal is not going out of your building. Omni-directional antennas emit signals in a circle pattern with usually half of your signal leaving the building. If you signal isn’t out side your area of operations then you won’t have war drivers knocking at your dooor.
Yagi antennas narrow your beam even more; this can be used for short distance point to point links or to blast through obstacles. Point to point links can be buildings that are a couple blocks apart or in a smaller campus environment like a campus. Use Yagi antennas if you have some links that need to get through some sort of obstacles like trees or thin walls.
Highly directional antennas serve one purpose and that is to provide point-to-point links at longer distances. Grid antennas are very popular for point-to-point links because the perforations let the wind go through it. IF they didn’t have the perforations then every time the wind blew the directional antenna would mover causing the link to drop.
If you are setting a up home and or small to medium business you should focus on using directional antennas. They will save you money and give you a more secure network.
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Linux Wireless: Ubuntu Wireless Use
By admin | February 1, 2008
Using Ubuntu 7.10 to connect to wireless networks has been great. Linux for many years has only been for the geeks. I truly feel that the only thing that was holding linux back was the problems with installing Linux on laptops. You either had problems with screen resolution, your touch pad and or your wireless network card. The only people who could get the wireless portion of Linux to work would need to have command line skills and be able to either program the driver you self your find one in some obscure website forum. Then after many hours of work the wireless adapter would be active but they could only then connect to WEP encrypted networks not WPA of WPA2.
Now with Ubuntu 7.10, I installed it on three different laptop models with great success. Screen resolution, touch pad and the card were all functioning by almost default. Activating the wireless card took one extra step but Ubuntu prompted me automatically on how to install the drivers asking to enable the third party restricted drivers. There was no command line needed and no searching obscure forums for bad advice.
Linux is great but Ubuntu wireless is just awesome. I had Unbutu installed and running in under 15 minutes. That means drivers, and default apps with me connected to a wireless network. If you install Windows xp or Windows Vista you will need 30 minutes for it to load the base operating system then you will need to find all the drivers and then install you basic apps, hello two hours later you might me ready to work. 15 minutes or 2 or more hours you make the call.
After you get your Ubuntu 7.10 connected to your wireless network you can have access to all the thousands of free applications that the Linux community has put together. I don’t know how many people who I ran into that say that the only reason they didn’t like Linux is because it didn’t run on their laptop correctly. Don’t wait Ubuntu 7.10 runs great and will connect to your network by default.
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Wireless Networking: 20 Wireless Laptop Security Tips
By admin | January 31, 2008
Wireless Laptop Security Tips
1. Install Mozilla Firefox - Don’t use Internet Explorer, it sucks and it is slow compared to mozilla firefox. You won’t be infested with spyware and it just looks cooler. Also there are hundreds off great free plugins that will make you online world better
2. Firewall. If you’re your operating system is anything but Windows 98 then you have a built-in firewall. The problem is that most computers I fix the firewall is turned off. You wouldn’t leave your front door open!! Firewalls close all the open doors or ports that enable remote users or applications to connect to your computer. No firewall means that all open ports can and will enable some application to connect to your computer remotely.
3. Encrypt your files - I don’t care if you have a super secret password on your computer and all the latest patches if someone has physical access to your computer they can take your hard drive and pop it into another computer and access your files. If your files and folders are encrypted then they can’t access them and steal your Identity. Pick a folder for you important documents-right click the folder then press advanced and then press encrypt folders and contents.
4. Updates - I don’t care what operating system you use but make sure that you enable automatic updates. Updates should be install within twenty four hours of their release. Hackers will reverse engineer the published updates and use the exploits to create their own, so patch away.
5. Car Storage - OK, easy suggestion but if I’m a hacker all I need to do is follow the target home and wait for them to leave the laptop in the car. Dumb, but I felt like it needed to be said.
6. Laptop locks - Don’t buy cheap laptop locks. Some of the cheap laptop locks on the market can be cut with small pliers. Good laptop lock cables will mesh together preventing it from being cut.
7. Policy - If you have own a business make a policy on how laptops are to be stored. You need to have a double lock policy. If a laptop is left unattended in a room it needs to be locked down with a laptop lock and the door to the room needs to be locked.
8. Harden Your Operating System - Locking down your operating system means stopping all unneeded services, installing updates and proper configuration of applications and server apps.
9. Passwords vs Pass Phrases - Make your passwords longer and more complicated.
10. Inventory - Assign inventory numbers and asset tags to laptops prior to giving them to employees. When a employee is fired or leaves the company get the laptop back, simple but often overlooked.
11. Wireless Security - Enable some sort of wireless security like WPA2, if you have no wireless encryption set up then all of your wireless clients can be tracked and subject to exploit. Kismet and other hacker tools will not only sniff wireless traffic they will also identify all the wireless clients for that wireless access points.
12. Walking Away - When you walk away from your laptop you need to press control-alt-delete and lock your computer. Dumb but it needs to be said.
13. AD-HOC Wireless networks - If your at a library or on campus or at a coffee shop and you scan for wireless networks and you see a computer to computer network don’t’ connect some one is trying to screw with you.
14. Rename your computer - Pretty easy to find you target if you computer’s name is your name. Once a hacker knows your name the social engineering game begins.
15. Virtualization - Install Virtual PC and install a virtual machine. Use the Virtual computer to test all applications prior to use. Utilize the virtual pc for all risky websites.
16. Drinks -I think I have seen more lost data from someone spilling a drink on a laptop than anything else. So keep your drinks away from your laptop…yea simple.
17. Stolen Laptops - Register your laptops with one of the many different laptop recovery services. If you install their software and the thief accesses the Internet they can track it, deleted your data, and report the location to the police…in theory.
18. Ant-Virus - Update your virus definitions.
19. Install linux - Ubuntu linux is free, you can install it in about 15 minutes, and its more secure than anything Microsoft has to offer.
20. Install Linux - oops I put that twice but I think it disserves two listings, good luck
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Wireless Networking Radio Frequency Properties
By admin | January 30, 2008
An RF signal’s polarity is independent of its amplitude. Stations must use the same frequency to communicate. For example, OFDM (802.11a) (5 GHz) and HR-DSSS (802.11b) devices (2.4 GHz) operate at different frequencies, and cannot communicate with each other. A wireless station on channel 6 cannot communicate directly to another station on channel 11. Antennas are most receptive to signals that have a wavelength equal to the length of the antenna’s element. Antenna elements of 1/2 & 1/4 are the next best options. Signals in phase will result in a stronger signal, while those 180 degrees out of phase will cancel each other out. The most effective communication will occur when both antenna are either in horizontal polarization or vertical polarization. However, even if two antennas are not in polarization with each other, they will still likely receive a signal’s reflection.
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Wireless Networking Vocab
By admin | January 27, 2008
802.11e defines the Hybrid Coordination Function (HCF) which must be supported by all QoS stations (QSTAs). HCF allows controlled access through polling during both the contention and contention-free periods.
Both OFDM (802.11a) and ERP-OFDM (802.11g) use OFDM communications. ERP-OFDM (802.11g) operates in the 2.4 GHz ISM band and can have a maximum of 3 co-located (non-overlapping APs in the same physical area) access points (using channels 1, 6, and 11).
OFDM (802.11a) operates in the 5 GHz UNII bands. There are three UNII bands, sometimes referred to as UNII-1 (lower), UNII-2 (middle) and UNII-3 (upper), each with four non-overlapping channels. UNII-1 is used for indoors only, UNII-2 can be used indoors or outdoors, and UNII-3, while typically used outdoors, may also be used indoors. This gives OFDM (802.11a) a total of twelve available channels for co-located access points.
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