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The main advantage of phase shift keying is that it allows data to be carried along a radio communications signal much more efficiently than with frequent shift keying. PSK is a digital modulation scheme that transports ... More »

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SLOKA describes BPSK as the simplest form of phase shift keying that uses two phases separated by 180 degrees. In BPSK, it does not matter where exactly the positions of the castellation points are, and they are always s... More »

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Frequency Shift Keying, or FSK, is a modulation technique that transmits digital signals over telephone lines, cables, optical fiber or wireless media. FSK data consist of two binary states, 0 and 1, represented by two d... More »

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SLOKA describes BPSK as the simplest form of phase shift keying that uses two phases separated by 180 degrees. In BPSK, it does not matter where exactly the positions of the castellation points are, and they are always s... More »

www.reference.com Technology Audio Equipment

The main advantage of buying a used router is paying a lower price for the same features found in a new router of the same make and model. Consumers can also purchase factory refurbished routers that are technically "use... More »

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The main advantage of unshielded twisted pair cables is that they are cheaper per meter compared to their shielded counterparts and other types of local area network cabling. This not only makes them the most affordable ... More »

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An advantage of frame relay is that is often cheaper than dedicated lines. Less hardware is required for the same number of connections, and traffic bursts are also buffered. Disadvantages of frame relay include possible... More »

www.reference.com Technology Internet & Networking