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Spektrum is a brand of radio control systems designed for use with hobby radio-controlled cars and aircraft. Spektrum is a division of Horizon Hobby. The R/C hobby in the United States, Japan, and Europe typically used to employ FM radio control in HF and VHF bands such as 27 MHz, 35 MHz, 49 MHz, and 72 MHz.
TR-DOS is a disk operating system for the ZX Spectrum with Beta Disc and Beta 128 disc interfaces. TR-DOS and Beta disc were developed by Technology Research Ltd (UK), in 1984. [ 1 ] [ 2 ] A clone of this interface is also used in the Russian Pentagon and Scorpion machines.
Infrared remote control for the analog SLR camera Canon EOS 100 from 1991. Remote controls are used in photography, in particular to take long-exposure shots. Many action cameras such as the GoPros [45] as well as standard DSLRs including Sony's Alpha series [46] incorporate Wi-Fi based remote control systems. These can often be accessed and ...
Spectrum management is a growing problem due to the growing number of spectrum uses. [6] Uses include: over-the-air broadcasting, (which started in 1920); government and research uses (which include defense, public safety—maritime, air, police—resource management, transport, and radio astronomy); commercial services to the public (including voice, data, home networking); and industrial ...
Moreover, for a given noise power spectral density (PSD), spread-spectrum systems require the same amount of energy per bit before spreading as narrowband systems and therefore the same amount of power if the bitrate before spreading is the same, but since the signal power is spread over a large bandwidth, the signal PSD is much lower — often ...
LPD433 (low power device 433 MHz) is a UHF band in which license free communication devices are allowed to operate in some regions. The frequencies correspond with the ITU region 1 ISM band of 433.050 MHz to 434.790 MHz.
System Center Operations Manager: product’s major components. The basic idea is to place a piece of software, an agent , on the computer to be monitored. The agent watches several sources on that computer, including the Windows Event Log , for specific events or alerts generated by the applications executing on the monitored computer.
Radical Motorsport Limited, also known as Radical Sportscars, is a British manufacturer and constructor of racing cars.The company was founded in January 1997 by amateur drivers and engineers Mick Hyde and Phil Abbott, who built open cockpit sportscars which could be registered for road use and run on a track without modification. [1]