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PitchCom. PitchCom is a wireless communication system used in baseball that lets a player request pitches without using visible signals. Major League Baseball (MLB) approved the use of PitchCom before the start of the 2022 season with the intentions of deterring sign stealing and quickening the pace of play. [1]
Logitech Unifying receiver (older) Logitech Unifying receiver (newer) Unifying Logo The Logitech Unifying Receiver is a small dedicated USB wireless receiver, based on the nRF24L-family of RF devices, [1] that allows up to six compatible Logitech human interface devices (such as mice, trackballs, touchpads, and keyboards; headphones are not compatible) to be linked to the same computer using 2 ...
The Western Electric hand telephone sets are a series of telephones that were produced from 1927 by the Western Electric Company for the American Telephone and Telegraph Company (AT&T) and the Bell System. The series features the mouthpiece (transmitter) and the earpiece (receiver) combined into a hand-held unit, originally named a hand ...
Raycon The Everyday Earbuds (Wireless) Price: $55.99 (originally $79.99) Raycon’s The Everyday Earbuds come in several colors, including matte black, red, rose gold and white.
Wireless telegraphy or radiotelegraphy is the transmission of text messages by radio waves, analogous to electrical telegraphy using cables. [1][2] Before about 1910, the term wireless telegraphy was also used for other experimental technologies for transmitting telegraph signals without wires. [3][4] In radiotelegraphy, information is ...
The Zenith Flash-Matic was the first wireless remote control, invented by Eugene Polley in 1955. It had only one button that was used to power on and off, channel up, channel down, and mute. The Flash-matic's phototechnology was a significant innovation in television and allowed for wireless signal transfer previously exclusive to radio. [1][2]
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment ...
The Media/Blu-ray Disc Remote Control (CECHZRC1) controls the PlayStation 3, TV (including switching between 2D and 3D modes on 3D TVs), and audio system, has enhanced controls for Blu-ray Disc movies, streaming movies and music, and is compatible with streaming services available on the PS3 such as Netflix. It was released on October 24, 2011 ...