Connection for modem

The modem is a device that connects two remote computers using the telephone line so that they can share information among themselves. The modem is one of the most widespread methods for the interconnection of computers in its simplicity and low cost.

The wide coverage of the conventional telephone network enables almost immediate connecting two computers using modems. The modem is for all these reasons, the most popular method of Internet access for users and also many private companies.

Connection for ADSL

The DSL (digital subscriber line subscriber) is a transmission technique that, applied to the subscribers of the telephone network, allowing voice and data transmission at high speeds. To do this it uses higher frequencies than those used in the telephone service without interfering with them, thus allowing the simultaneous use of telephone service and to access data services via ADSL.

The asymmetry that characterizes the systems means that ADSL offers higher transmission capacity in the so-called "downstream" (from the telecommunications network to the user) that "upstream" (from user to network). This makes them especially suitable for applications such as Internet access Web-based systems, where the volume of information received by users is significantly higher that of the control commands generated by the navigation.

To access these new possibilities is needed, first, that the plant that we are now providing local telephone service has been given by means ADSL network operator. In the case of Empresa de Telecomunicaciones de Bogota - ETB - Is taking place this update by developing a plan of coverage, which already reaches most of the access lines in its network.

Connection for WI-FI

When we talk about WiFi to a wireless communication technologies most commonly used today. WiFi is an abbreviation for Wireless Fidelity, also known as WLAN (wireless LAN, wireless network) or IEEE 802.11.

At present we can find two types of communication WIFI: 802.11b, which broadcasts to 11 Mb / sec, and 802.11g, the faster, 54 MB / sec. In fact, are its speed and range (about 100-150 meters in hardaware affordable) makes it a perfect formula for wireless internet access.

To have a wireless network at home we just need an access point, which would connect the modem and a WiFi device that would connect to our equipment. There WIFI terminals that connect to the PC via USB, but they are PCI cards (which are inserted directly into the motherboard) recommendations, we can save space and work faster. Notebook PCMIA cards can be found outside, but many of the equipment and sold with integrated card. In either case it is advisable to maintain the access point in a high place for the reception / emission is more smoothly. Even if we find that our speed is not as high as it should, perhaps because the devices are not properly located or barriers may exist between them (such as walls, metal doors).

The operation of the network is fairly simple, usually only have to connect the devices and install your software. Many of the wifi routers (wifi routers) incorporated configuration tools to control access to information that is transmitted through the air.