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Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. Any interaction with the system by an interactor is an input and the reaction the system responds is called the output. The designation of a device as either input or output depends on perspective.
Multiple-input single-output (MISO) is a special case when the receiver has a single antenna. [35] Single-input multiple-output (SIMO) is a special case when the transmitter has a single antenna. [35] Single-input single-output (SISO) [36] is a conventional radio system where neither transmitter nor receiver has multiple antennas.
Multi-user MIMO (MU-MIMO) is a set of multiple-input and multiple-output (MIMO) technologies for multipath wireless communication, in which multiple users or terminals, each radioing over one or more antennas, communicate with one another. In contrast, single-user MIMO (SU-MIMO) involves a single multi-antenna-equipped user or terminal ...
Wireless streaming of data collected by Bluetooth-enabled fitness devices to phone or PC. [42] Wireless networking between PCs in a confined space and where little bandwidth is required. [43] Wireless communication with PC input and output devices, the most common being the mouse, keyboard and printer.
A Bluetooth keyboard is a wireless keyboard that connects and communicates with its parent device via the Bluetooth protocol. These devices are widely used with portable devices such as smart phones and tablets, though they are also used with laptops and ultrabooks. Bluetooth keyboards became popular in 2011, coinciding with the popularity of ...
Wi-Fi is a wireless local area network that enables portable computing devices to connect easily with other devices, peripherals, and the Internet. [ citation needed ] Standardized as IEEE 802.11 a , b , g , n , ac , ax , Wi-Fi has link speeds similar to older standards of wired Ethernet .