What is the modem? and how to choose the best modem

What is the modem? and how to choose the best modem

I have the best chance. the opportunity to submit tips to the reader. although this paper messy and difficult to understand, however, I would still try to present the best. I hope you're happy

in general, Modem is short for modulator and demodulator. Modulator serves to make the process of laying the data on the carrier signal to the information signal to be sent to the user through a particular medium, this process is usually called the modulation process.  

in this process the data from the computer in the form of a digital signal is converted into an analog signal. While Demodulator serves as the process of getting back the data sent by the sender. In this process the data will be separated from high frequency and data in the form of analog signals are converted back into digital signals that can be read by a computer. 

So the bottom line modem function is a hardware device that functions for two-way communication that converts digital signals into analog signals or vice versa to send a message / data to the addressee. It could also be interpreted as an intermediary to connect our computer to the Internet network. 

Many types - types of modems that exist at the moment, modem types can be distinguished by their installation and network. if based installation modem can be divided into internal modem and an external modem while the modem based network can be divided into a cable modem with the media and meodem with wireless media.

• Internal Modem is a card attached to the motherboard slot. This modem advantage is how easy installation and relatively cheaper price. 
• External modem is a modem that is installed outside the computer, usually plugged into the USB slot. 
• Modems that use media that is a modem cable using a cable as a medium for the intermediary (eg, cable TV and telephone network) 
• Without a cable modem, this modem uses wireless media to the intermediary (eg, GSM modem, CDMA modem, etc.) 

then how to choose a good modem?
for election blog, you have to do is read these seven smart tips

1. For USB modem, content providers that have the signal of the most powerful in the area around you, of course you want no problems in signal reception is not good because it will affect the speed of Internet access, so before buying a USB modem checks the signal strength of the provider that you will use , The trick, check signal provider the best of GSM and CDMA. Because it is to determine what type of modem you want to buy. Check also the various packages they offer for pre and postpaid.
2. Should not be affected by a sale item and low price, of course you do not want to be disappointed with the modem that you want to buy, you should not be affected by a variety of promos by way of sale or discount at a cheap price. Because you're looking for a quality course internet modem!
   
3. Adjust to the needs and goals you buy a modem. If you want to install in office select ADSL modem via telephone cable. But if you want to use a more flexible as you move, select the USB modem.
   
4. Choose the modem from the manufacturer who has the best service. Do I check on the internet for the brand modem you want to know the ministry. Check whether they have good online support, such as the availability is always updated driver that supports the OS used in your computer or laptop. Also check the availability of a software upgrade modem.
   
5. Check the warranty assuredness modem and simplicity. Of course you do not want to buy a modem with a warranty that is unclear and difficult menggaransikannya just because a service center outside the city. Of course it will be difficult for you. So ask in advance of, the terms of the warranty and service center.
   
6. Select the internet modem with support for all OS. Not to buy a modem that does not suport the operating system of your computer or laptop, your modem minimum suport to the commonly used OS like Windows XP and 7 as well as Linux or even Mac.
   
7. Learn from experience. Ask the advice of friends around you who already have a modem, whether they are satisfied with their own modem. Ask them the various shortcomings and advantages. You can also check on the search engines complaints and complaints are sometimes delivered at their respective blogs for consideration. 

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