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Instead the system includes a separate paging controller connected to a trunk port of the telephone system. The paging controller is accessed as either a designated directory number or central office line. In many modern systems, the paging function is integrated into the telephone system, so the system can send announcements to the phone speakers.
The product line included amplifiers ranging from 8 W to 1400 W, wired and wireless paging microphones, and an array of speakers, including recess-mount models, surface-mount box speakers, and specialty speakers for outdoor use.
The portable audio products sold by Bose Corporation have been marketed as portable smart speaker and SoundLink. These wireless speaker systems are battery powered and play audio over a wireless connection from a separate source device (such as a computer or smartphone). Most Soundlink models use Bluetooth to communicate with the source device.
Gold Apollo Co., Ltd. is a Taiwanese manufacturer of wireless paging systems. Overview. Founded by Taiwanese businessman Hsu Ching-kuang ...
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.
In 1986 the company purchased MCI's wireless operations, cellular and paging, for $122 million, and changed their name to "McCaw Cellular Communications". [2] In 1989 the company outbid BellSouth for control of LIN Broadcasting , which owned licenses in Houston , Dallas , Los Angeles , and New York , paying $3.5 billion, a price that ...
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