How to choose a right GSM antenna for your mobile signal repeater?

Jan 17, 2012 by Ajeet Khurana

The antenna is an important part of the amplification of cellular communications. Therefore, you have to put the careful attention to the correct selection of this device, as well as take into account the requirements for the durability of its construction. The gsm antenna can operate in one band (gsm 1800, gsm 900 and 3g) or it can also be dual-band signals (for gsm 900 and gsm 1800). The multiband antenna supports multiple cellular standards, ranging from 900 MHz to 2500-2700 MHz. Each of these types of gsm antennas has both advantages and disadvantages. Let’s see some of these.

The gsm antenna, designed for working in the same range, has a lower price and better performance for admission to its operating frequency. The gsm antenna for two bands occupies a middle position at value, and it characteristics of the cell reception are located at the middle level. The multiband gsm antennas have the highest price, but their use is justified by the fact that they are able to work with any system of the cell phone amplifier.

The gsm antenna, used in the system to boost cell phone signal

should be chosen not only due to its technical parameters, but also due to the customer’s budget. Because the single-band antenna should be installed if you have the limited budget and your goal is to amplify only one range – the voice, for example, or the cell signal from the mobile base station has low power.

The multi gsm antenna can be used in conditions of the good cellular signal from the mobile base station and requires a sufficient budget. An important advantage of this variant is the fact that the transition to the new frequency in the case of the appearance of a new communication standard will take only some minutes to change the power system.

The gsm antenna for outdoor installation must have a reliable and durable design that can withstand the adverse effects of the environment (solar radiation, temperature, precipitation, etc). That’s why when the customer chooses such devices, it would be preferable to find the outdoor gsm antennas which are protected by zinc-coated steel parts, avoiding galvanic corrosion, and have sealed contacts. The gsm antenna must be made from aluminum of the high quality because this will allow avoiding the necessity of the anodic oxidation, because it reduces the conductivity of the surface layer and reduces the amplification on almost 15%. The gsm antenna should not contain the plastic elements in the waveguide, because they significantly impair the strength and durability of the equipment.

That’s why the customers must be carefully chosen all elements of the amplification of cellular communication, both technical and economic. If you do not do this, you will inevitably encounter problems with the need to move to a new or different communication standard that can not be solved quickly. And even if you find the decision, this required additional costs that are commensurate with the cost of installation and commissioning of the new system. Everything depends on you.

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