Companies that use Wi-Fi
in their daily activities know the importance of a properly functioning
corporate wireless network. If Wi-Fi fails or isn't working properly,
productivity can stop dramatically. A bad Wi-Fi connection can be a big deal
for a company's profits. More and more companies are relying on wireless
detection companies to diagnose and solve their problems. Maybe your company is
in this phase and is studying the costs of investigating wireless sites. If so,
you are probably responsible for answering 2 key questions for your management
team: how much do a survey on the wireless site and a survey on the wireless
site cost?
Any company that needs
to outsource a technology management service often faces the same problems:
Determine a fair price for
the technological service they need.
Find a supplier who will
provide the service correctly within your budget.
It is difficult to
evaluate your options when you have limited knowledge of what you are looking
for and the problems to solve. You can find dozens of wireless site detection
companies with a simple Google search. If you dive a little, you will notice
that all these companies offer different services at different prices. This can
become quite confusing, especially because all of these companies call their
service a "wireless site survey".
What is a survey on the
wireless site?
The first step in
determining how much a wireless site survey costs is to understand what a wireless site survey is. A wireless site survey, also known as a Wi-Fi site
survey or an RF site survey is simply the process of planning a wireless
network for a given environment to meet its unique coverage, capacity and requirements,
roaming, quality of service and other measures that may need to be respected.
It is necessary to
prepare a plan of the environment that is expected to be achieved. The more
detailed the floor plan, the better. The floor plan should include the
dimensions and any structures that could influence the propagation of the
wireless signal, such as elevators or stairs. The floor plan will help the
wireless site survey firm identify all proposed access point locations. It also
allows you to create heat maps that will allow you to understand the wireless
signal strength in your environment.
The wireless site survey the report should include the following:
- Mounting positions
- Description of the cable glands
- Scope of work for the
installation of a wireless network
- Controller hardware required
for management
- Tips for a configuration based
on unique needs
- All necessary licenses and
support
- The effort required for ongoing
management
- Recommended access point models
(we prefer Ruckus wireless access points for their performance)
Is it worth a survey on
the wireless site?
This answer will vary
from one company to another, but for the most part yes. If you're a small
business that doesn't rely heavily on Wi-Fi for daily operations, chances are
you wouldn't need a survey on the wireless site. If you are a medium or large
company with several dozen employees who use Wi-Fi every day, it is probably in
your best interest to have your workplace reviewed before purchasing an Average Cost Of WiFi system. Minor investments in this important service can
prove financially beneficial in the long run. This will prevent costly repairs
that may be needed in case the Wi-Fi system is configured incorrectly. You will
also be more suited to growth and expansion as your business grows.
A survey on the wireless
site is definitely worth it if your business is:
- In a place with a very crowded wireless environment like an office building
- It has facilities that can
cause wireless signal interference such as a warehouse
- In a place full of many solid
structures like concrete pillars
- In any environment where WiFi
is an important aspect for basic operations
Are there different
types of surveys on wireless sites?
There are several types
of surveys on wireless sites and it is important to know which type you are
looking for before purchasing the wrong type of service. Some wireless surveys
can be performed remotely using floor plans and thermal mapping software, while
other on-site surveys require an on-site presence and several hours to
complete. There are studies on the site that will produce a bill of materials
only for a WiFi distribution, while more advanced site studies will provide a
series of cabling and installation works, as well as a level of commitment for
ongoing management and maintenance.
Let's compare two of the
most common types of surveys on wireless sites: predictive and active.
\
Predictive surveys on
wireless sites
In a predictive survey
on the site, a company will collect the plans of your space. They should also
ask you questions about how you plan to use your WiFi and what your general
needs are. Using the information provided, the wireless site survey company
will suggest an access point model. This model will be used to create a heat
map of your location. The heatmap will include the recommended placement of
equipment and a visual representation of how the wireless signal will spread in
your environment.
A predictive site survey
is generally provided for free. It really is more of a sales tool than anything
else. Many network equipment distributors will offer a free predictive survey
to help you reach an agreement. It can help transform a simple transaction into
a more personalized customer experience. Since a predictive survey on the site
is generally free, some sacrifices are made in terms of quality and accuracy.
In most cases, when deploying more than 3 wireless access points, predictive
site detection is not enough. Elements such as positioning of the access point,
coverage of the wireless signal and network performance are generally estimated
and may require slight, if not drastic, modifications to better align with the
environment and needs.
Surveys active on the
wireless site
If accuracy is the goal,
then an active survey on the site is the way to go. An active survey on the
wireless site will require a visit to the site. Usually, it can take a few hours
to a few days, depending on the size of the place. An active site survey can be
performed in a new environment without wireless equipment installed. An
investigation can also be carried out in a place where a WiFi system already
exists but must be repaired or configured correctly. The final report will
offer an extremely accurate plan for equipment placement, wireless signal
coverage, network performance, cabling, and installation.
As in a predictive
survey on the site, a floor plan must be shared and the general needs of WiFi
must be discussed. Here the similarities end. A wireless engineer downloads the
floor plans into his site survey software and places a single access point in
space. The engineer then begins to traverse the space and measures the signal
strength of the access point. The site detection software will also measure
external Wi-Fi interference from nearby wireless networks to allow the wireless
technician to provide recommendations for channel selection and other
configurations.
The man-hours
participating in an active survey on the site is not limited to the time spent
on the site. Engineers take several hours after the words to draw the walls of
other structures on the floor plans provided to provide an even more accurate
representation of the propagation of the wireless signal in space. Stairs,
elevator shafts, windows, and walls will all have a negative impact on the
wireless signal. Wall building materials will also have its effect. For
example, the drywall will not be as bad for wireless radio signals as concrete.
How much does a survey
on the wireless site cost?
The value you get from a
survey on a Wi-Fi site is clear enough, but when it comes to presenting the
need to your company's CFO, the technical requirements must translate into some
sort of figure. A predictive survey on the site should always be offered for
free. Since it is more of a sales tool than a personalized report, the wireless
site survey company should provide it for free. If you are asked to pay for
such a relationship, this should be a big red flag for the company you work
with and you should start exploring other options.
An active survey on the
site is a little more difficult to determine a cost. There are so many
different variables that could affect prices. A good range of costs for a
survey on a wireless site is between $ 2,000 and $ 10,000 per survey. However,
here are some factors that will affect the cost of your survey on the wireless
site:
- Square feet area of the study
area
- Support requirements for
specific WiFi applications
- Ceiling height and lift
requirements
- Plan creation requirements
- The physical location of the
detection environment
- WiFi hardware requirements
- The time needed to participate
in the survey on the site
- Report turnaround requirements
- Customer-specific requirements,
such as the need to conduct the survey after hours or to complete it
quickly
There are plenty of "low cost" options for wireless site surveys, but you will get what you pay for. The truth is, if a professional isn't handling your network, there's a greater chance that it won't be optimized to the fullest.
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