| The wifi technology has proved to be of great | | | | words in order to have data transmission |
| use and has stood on the expectations of the | | | | between a point and multi points, point to |
| users. It is the wifi antenna power that is | | | | multi-point WiFi antenna power options are |
| considered to be the most important aspect in | | | | available. It is very useful when we try to |
| the area of development of the wifi technology. It | | | | establish and share wireless local area network or |
| is possible to extend the given range of the wi-fi | | | | try to establish a high speed internet connection. |
| system (currently running 802.11 IEEE standard) | | | | It is also applicable in the set up of wireless |
| by installing and configuring an external antenna, | | | | access points. |
| and it is logical that with more range more | | | | Knowing and understanding the qualities that are |
| mobility can be provided to the user. | | | | needed for an efficient and properly working |
| There are various types and kind of antennas | | | | network and requirements of our system is very |
| available in the market, for choosing the | | | | crucial for choosing the right kind of antennas. |
| appropriate one we have to first analyze all our | | | | Choosing the right type of power antennas can |
| requirements. We should judge our needs and | | | | help in utilizing the facility of wifi network of the |
| whichever antenna satisfies the requirements | | | | system. |
| should be taken. If the requirement is to have a | | | | If someone does not understand the whole |
| better mobility of the system then the directional | | | | technicality of the wireless networks, and its |
| antennas should be taken. It is widely used in point | | | | requirement, it is advisable to get in touch of the |
| to point transmission. | | | | concerned technicians before buying any type of |
| There is a second type of antenna available in the | | | | antennas. |
| market; these are called omni directional power | | | | Just knowing the range offered by a particular |
| antennas. When an antenna transmits waves, | | | | antenna is not the only condition which be taken |
| they are propagated in all directions. Hence these | | | | care of. In other words there are different |
| antennas can serve as a base antennas, can | | | | factors also which must be considered, in order to |
| transmit the data to various nodes in the network | | | | calculate the total range of he antenna, these |
| like wireless printers, laptops, PDA, etc. These | | | | factors are the power output of the wireless |
| antennas have some shortcomings too. These | | | | network interface card, and also the strength of |
| bi-directional antennas cannot be used in point to | | | | the receiving wireless card (the card of the |
| point transmission. | | | | destination node). These factors play an important |
| There is a third category of antennas, which can | | | | role to determine the effective range of the |
| be used in multi cast communication, in other | | | | antennas. |