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A personal FM transmitter is a low-power FM radio transmitter that broadcasts a signal from a portable audio device (such as an MP3 player or a smartphone) to a standard FM radio. Most of these transmitters plug into the device's headphone jack and then broadcast the signal over an FM broadcast band frequency, so that it can be picked up by any ...
Applications for short-range wireless devices include power meters and other remote instrumentation, RFID applications, radio-controlled models, fire, security and social alarms, vehicle radars, wireless microphones and earphones, traffic signs and signals (including control signals), remote garage door openers and car keys, barcode readers ...
In 2002 Audi, with the Audi A8, was the first motor vehicle manufacturer to install Bluetooth technology in a car, enabling the passenger to use a wireless in-car phone. The following year DaimlerChrysler and Acura introduced Bluetooth technology integration with the audio system as a standard feature in the third-generation Acura TL in a ...
Bluetooth devices intended for use in short-range personal area networks operate from 2.4 to 2.4835 GHz. To reduce interference with other protocols that use the 2.45 GHz band, the Bluetooth protocol divides the band into 80 channels (numbered from 0 to 79, each 1 MHz wide) and changes channels up to 1600 times per second.
Some car phones had colour screens and supported high-speed data connections as well as the ability to access SIM cards stored in other phones via Bluetooth. Since 2008, many automobiles have featured integrated, "hands-free" systems to utilize a consumer's mobile phone, via a Bluetooth wireless link or use an integrated transceiver.
The Paris-based tech firm designs its own software, hardware and processors. It is an early adopter of Bluetooth technology and is an associate member of the Bluetooth Special Interest Group. [1] Parrot originally stepped into the automotive business in the 2000s, with aftermarket Bluetooth hands free car kits [2] and car radios. [3]