Spektrum is brand of radio control systems designed for use with hobby radio-controlled cars and aircraft. Spektrum is a division of Horizon Hobby.
Hobby RC in the United States, Japan, and Europe typically employs FM radio control in HF and VHF bands such as 27 MHz, 35 MHz, 49 MHz, and 72 MHz. Spektrum systems are distinguished in that they use Spread Spectrum technology on the 2.4 GHz ISM band. Spektrum refers to their technology as "Digital Spectrum Modulation." Each transmitter has a globally unique identifier (GUID), to which receivers can be bound, ensuring that no transmitter will interfere with other nearby Spektrum DSM systems. The Spektrum system is also unique in that it offers "Model Match" in which each transmitter program for a particular flight model is bound to one and only one receiver. This prevents a user from flying his or her rc helicopter while the transmitter is still left programmed for his or her rc airplane.
Spektrum is the original application of 2.4GHz spread spectrum radio systems to radio control model applications. It was invented by Paul Beard.
The Spektrum website lists the company's products and describes Spektrum's DSM technology.
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