B
Yagi antenna.
beamwidth The area of radiation a directional antenna provides. This is typically measured in degrees, and is usually rated from between the two closest points where the signal level is 3 dB below the maximum level.
bit The term is a contraction of binary digit, which is the smallest possible unit of information a computer can handle.
Bluetooth A short-range wireless technology designed to create personal-area networks.
BPSK Binary Phase Shift Keying. BPSK is a digital frequency-modulation technique used for sending data over a coaxial cable network or wireless networks. This type of modulation is less efficientbut also less susceptible to noisethan similar modulation techniques.
bridge In wireless networking, a wireless system for connecting two or more separate Ethernet networks. In general networking, typically used to describe a component of a communications network, this spans the network from one physical medium to another, such as from a wired Ethernet to wireless.
broadcast domain An internetwork of devices that are capable of sending and receiving broadcast frames to and from one another.
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