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Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11, while others depend on Bluetooth to transmit audio data to the receiving speaker. [1]
No. 1 Wireless Unit RAAF was an Australian signals intelligence unit of World War II.The Unit was established on 25 April 1942. This name which was the formalised name given to the small RAAF Intercept Station operating in two back-to-back houses at 21 Sycamore Street and 24 French Street in the suburb of Pimlico in Townsville established by Wing Commander Booth in March 1942.
Loudspeaker. The hole below the lowest woofer is a port for a bass reflex system. A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer [1] : 597 that converts an electrical audio signal into a corresponding sound. [2] A speaker system, also often simply referred to as a speaker or loudspeaker ...
Wireless telegraphy or radiotelegraphy is 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 ...
Speakerphone. A speakerphone is a telephone with a microphone and loudspeaker provided separately from those in the handset. [1] This device allows multiple persons to participate in a conversation. The loudspeaker broadcasts the voice or voices of those on the other end of the telephone line, while the microphone captures all voices of those ...
Wireless Set Number 1, or WS No. 1 for short, was a short-range tactical radio introduced by the British Army in 1933. It was built in three versions, 1A for fixed locations like field headquarters, 1B for light vehicles, and 1C for tanks. Several hundred were also produced in Canada by Canadian Marconi and Northern Electric . It had a number ...
A wireless intercom is a telecommunications device that enables voice communication without the need to run copper wires between intercom stations. A wired intercom system may incorporate wireless elements. There are many types of wireless intercom systems on the market. Most wireless intercom systems communicate by radio waves using one of the ...
The United States flew a long-range B-1B bomber over the Korean Peninsula on Wednesday for its first precision-guided bombing drill with South Korea in seven years, the South's military said. The ...