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Spirent leads the market in GPS/GNSS test instruments, offering a wide range of equipment for repeatable, reliable and professional lab testing. From GNSS signal simulators to the latest RF record & playback technologies and interference detection equipment, we have the right solution for you.

dBm develops and manufactures test equipment and subsystems for the RF marketplace, including wireless telecommunications, satellite systems, and military applications.  We specialize in RF link impairment emulation for terrestrial and satellite wireless systems. Our link emulation products have been used in virtually every major satellite system developed since the early 1990s.