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What is the difference between a signal booster and a repeater?

While the terms “booster” and “repeater” are sometimes used interchangeably, there are important technical differences between the two. A booster is a device that simply amplifies a signal it receives and re-transmits it. There is typically no filtering or interference control in the device. Such devices are usually sourced at low cost through on-line markets. Boosters do not meet the required European Standards and as such cannot carry the CE mark (Even though many do so fraudulently). A repeater also re-transmits signals it receives, however such devices include filtering and interference control which provide better coexistence with other spectrum users. Such devices meet the applicable standards and carry the CE mark. StellaDoradus only manufactures repeaters.