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Pages in category "Audio equipment manufacturers of the Philippines" This category contains only the following page.
BOSS Audio Systems is an American manufacturer of audio and video equipment for automotive, power sport and marine applications. The company was founded by Sam Rabbani in 1987. [1] BOSS Audio Systems mainly makes automotive and marine audio equipment.
An antenna tuning hut or helix house is a small shed at the base of a longwave or mediumwave radio transmitting antenna. It contains antenna tuner — radio equipment for coupling the power from the feedline to the antenna. [1] Alternative names include antenna tuning house, coupling hut, and dog house.
An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter or receiver and its antenna to improve power transfer between them by matching the impedance of the radio to the antenna's feedline. Antenna tuners are particularly important for use with ...
Pages in category "Electronics companies of the Philippines" This category contains only the following page. This list may not reflect recent changes. I.
Marine VHF mostly uses half-duplex audio equipment and non-relayed transmissions. Ship to ship communication is over a single radio frequency ( simplex ), while ship to shore often uses full duplex frequency pairs, however the transceivers are usually half-duplex devices that cannot receive when transmitting even on a full-duplex channel.