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It 242 Week 8 Assignment

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It 242 Week 8 Assignment
Wireless Signals XXXXXXXX IT/242 March 3, 2013 XXXXXXX

Wireless Signals Technology in general is in a constant state of invention and development especially in the computer industry. Network technology has made much advancement over the last 10 or more years. Today networks are now wireless, able to transfer data at faster speeds, and new network technology has increased security. Wireless technology sends and receives digital signals transmitted through the air by electrometric waves.
Wireless Signal Types Microwave signals, Infrared Systems, Satellite Signals, and radio systems all have made strides in improving the signal speed and quality. Wireless signals have pros and cons that influence their commercial use and present day application. However, no matter the progress made with wireless signal frequencies they are always subject to interference from technologies limiting their effeteness. Microwave Signals Microwave signals transmit using electromagnetic energy. Microwave signals are used commonly in long distance telephone telecommunications, cellular phone networks, and television networks. Microwaves travel in a straight line the wave can be narrow beamed making it more effective for long distance transmissions. This technology when applied allows a network to establish a high bandwidth network connection between two points. Some companies may have two locations in a town or county. The lower atmosphere has little affected to signal quality, when linking two network locations. Satellite Signals Satellite signals are similar to microwave which require a direct line of sight to ensure proper transmission. Satellites require that a satellite is in geosynchronous orbit of the earth and receiver must be locked on satellites orbit at all times to maintain connection. Satellites can cover large areas since they are in high orbit they can relay signals through other



References: Stallings, W. (2009). Business data communications (6th ed.). Upper Saddle River, NJ: Pearson.

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