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The Big Contribution of Wireless Technology to Information Management

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Wireless technologies today are being applied to voice and messaging devices, Internet-enabled devices and data networking.

Voice and messaging devices include cellular phones, two-way business radios, and pagers. These gadgets operate within networks that offer nationwide coverage. Some of the more popular providers are AT&T, Sprint, and Verizon. They operate in varying frequency bands as directed by the FCC.

The Internet -enabled mobile phones and personal digital assistant (or PDA) are devices that can be connected to the Internet. Both the wireless application protocol (WAP) and wireless markup language (WML) were designed to enable these devices to connect to the Internet.

Wireless data networking devices include a router, USB adapter, and access points. Wireless router is a device found in WLAN. Its job is to specify the network point to which a packet will be forwarded. A packet is a unit of data transported between an origin and port in the Internet.

This device can also operate as a hardware firewall. It provides security against hacking because the IP Address of the computer is not directly exposed to the Internet. The new model uses 802.11g that can transmit up to 54 megabits per second.

Universal Serial Bus (USB) was designed to allow peripherals to be connected in the computer with the use of a standard interface socket. A USB adapter is used to attach a USB-port device to a non USB-port device. USB3.0 is the newest specification introduced in the market today. It has a transmission rate of up to 5.0 gigabits per second.

Access point is a base station, a LAN with the use of Ethernet cable. It receives and transmits data between WLAN and the wired network infrastructure. Access points support the standard of Wi-Fi communication.
Bluetooth is a technology specification designed for short range communication between mobile phones, personal computers, and other portable devices. This technology is being used by a lot of companies such as Ericsson, Nokia, Motorola, IBM, Intel, and Lucent. Bluetooth covers a distance of up to 10 meters in a 2.4GHz band.

One of the newest products in the world of wireless technology is GPS or Global Positioning System. This device can provide an accurate time and location data for unlimited number of people in any place of the world.

This system has three segments (components): the space, the control, and the user segment. The space segment consists of 24 operating satellites; it transmits one-way signal that gives GPS satellite position and time.

The control segment is composed of worldwide monitor and control stations. It keeps the satellites in their proper orbits through command maneuvers. It also adjusts the satellite clocks. The control segment tracks GPS satellites and uploads navigational data.

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