Understanding Wireless Home Computer Antenna Gain
Nowadays it is common for a home to have multiple personal computers and as such, it just makes sense for them to be able to share one internet connection as well as well as files.
Though wired networking is an option, it is one that needs the installation and management of a great deal of wiring for you to enjoy a modestly sized home set up.
However, with wireless networking becoming much affordable and easy to install, it may be worth considering especially by those people who are looking to build home network.
As well as by those individuals who are looking to make expansion to their existing wired network.
Therefore, a proper understanding of wireless networking is crucial when it comes to deploying of wireless network effectively to your home.
Wireless networking permits various devices and computers to communicate by use of radio frequency transmissions which is not the case with the conventional network cabling.
Hence, using wireless Ethernet adaptors, any device that is can be used on the usual networks of computers can be accessed easily via a wireless connection for a task ranging right from file sharing to internet and multimedia access.
IEEE 802.11 basically comprises of standards which outline the wireless Ethernet Technology and it incorporates the 802.11g, 802.11b and 802.11a protocols (though there are other standards that are being developed).
The one that is widely used is the 802.11n, it is faster and more reliable as compared to 802.11a (Wireless-A).
And it is more economic to produce and manage as well. 802.11g (Wireless-G) is the latest protocol which is becoming commonly used by vendors since it can transmit at high speeds as compared to the 802.11b devices.
Nowadays you will find devices that support all these standards. In addition, Wireless-G has been designed in a manner that it can be discovered by 802.11b devices.
Thus 802.11a and 802.11b gadgets cannot work together, and furthermore they cannot work with Wireless-G devices.
Some manufacturers provide two way-band models (G/B and A) which can be inter-switched with much ease. Planners of Networks can plan deployment of their network using Wireless-GB or wireless A.
Wireless 802.11 standards make use of the radio frequency bands around 2.4 or/and 5.0 ranges and they have a free licence.
The Wireless-G and Wireless-B protocols utilize the 2.4 GHz band while Wireless-A uses the 5.0 GHz band. Wireless-B is generally the most common standard, with Wireless-A and Wireless-G closing in fast.
But for you to have a reliable wireless connectivity it is important to have the right wireless antenna.
There are Different Types of Antennas– Amped Wireless High Power Outdoor 8dBi Omni-Directional WiFi Antenna Kit (A8EX) Omni-directional antenna tend to radiate horizontally all around is a significant component of any wireless client device or access point.
Since it is the one that determines how the radio signals will be propagated, the type of radiation pattern that they will produce and how much gain they will produce.
The radiation pattern can be described as isotropic, meaning that the antenna radiates the signal proportionally in all directions and oftentimes we refer them as omni- directional.
Based on antenna location, you may require a non-isotropic radiation pattern that is not isotropic, but one that maximizes the radio signals in a particular direction.
It is very crucial to conduct a wireless site survey in order to determine the location of the access points and also detect any problem locations where specialist wireless antennas may be needed before deploying a wireless network for the first time.
Normally, a wireless antenna is designed in a manner in which it works more efficiently over a narrow frequency band, the wider the frequencies the antenna will definitely operate over the more “Broadband” the antenna is said to be.
Wi-Fi antennas will either operate in the 2.4 GHz or the 5.0 GHz, therefore the antenna must be designed within those particular frequency ranges.
In many countries you will find that there are certain restrictions on the amount of power a wireless antenna can transmit, and this usually in a place of 1 Watt, with a 6b Bi gain for the omni-directional antennas and somewhere in the region of 23dBi for the directional antennas.
The major reason for this restriction is to reduce interference with other users within a specific frequency band.
Antenna gain is simply the measure of how much effective signal power is increased by an antenna for a certain input power, and is usually measured in decibels (dB).
Decibels will be calculated on a logarithmic scale and a good example would be a 3dB increase which represents a doubling of power.
That is, 25 milliwatt input would produce a 50 milliwatt output. Thus, understanding wireless home computer antenna gain is all that you need.
Effective Isotropic Radiated Power (EIRP) is determined by Antenna gain and Transmit Power.
Therefore, understanding wireless home computer antenna gain is very important. Antennas can broadly be categorized as Omni directional
The former is a type of antenna that usually produces an isotropic radiation pattern as
It is worth bearing in mind that genuine isotropic antennas tend to be purely theoretical and the other types are compared to that of an isotropic design. Below are some of the Omni-directional antennas:
The vertical type – This is normally based on a dipole design where the pattern of radiation of a dipole antenna is 360 degrees in the horizontal plane, with the vertical plane changing direction with time depending whether the dipole is vertical or not.
A vertically oriented dipole usually has a 75 degree pattern of radiation.
The rubber Ducks -They are also vertically mounted and have a 360 degree radiation pattern which is similar to that of a half-wave dipole.
The ceiling domes antennas – These have been designed to be mounted on the ceiling or even on the walls.
Due to their less obstructed view, they tend to have a higher gain that is higher of a round 3Db.
The second category of antennas is the directional antennas.
Radiating and reflecting elements are added to the standard Di-pole design in order to concentrate the signal energy in a particular direction.
They can give a gain over the standard isotropic antenna of approximately 3dB as much as 20Db. Examples of directional antenna are the Patch antenna, Yagi and the Dish.