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Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...
Helly Hansen (HH) is a Norwegian manufacturer and retailer of clothing and sports equipment, owned by the Canadian retail chain Canadian Tire and operated as a subsidiary. Currently headquartered in Oslo , it was previously headquartered in Moss, Norway , from its founding in 1877 until October 2009.
Heil Sound Communications, Inc is an American manufacturer of professional audio equipment based in Fairview Heights, Illinois.The company was founded by Bob Heil in 1966, and is well known for inventions in live sound, the Heil Talk Box and a variety of high-quality microphones and headsets for use in commercial and amateur radio.
Many microphones operate at low voltage levels and some with high output impedance (hi-Z), which makes long microphone cables especially susceptible to electromagnetic interference. Microphone interconnections are therefore a common application for a balanced interconnection, which allows the receiver to reject most of this induced noise.
A radiotelephone (or radiophone), abbreviated RT, [1] is a radio communication system for conducting a conversation; radiotelephony means telephony by radio. It is in contrast to radiotelegraphy, which is radio transmission of telegrams (messages), or television, transmission of moving pictures and sound.
Compared with the Series II, the Aviation Headset X includes lighter speakers, a revised microphone, improved EMI shielding and an optional accessory to use the headset in helicopters. [72] [73] Claimed battery life is 20 hours. [74] The Aviation Headset X was voted the most preferred headset in Professional Pilot survey from 2000 to 2005. [75]
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