Omnidirectional antennas are good for boosting multiple carriers in an area with lots of towers, while unidirectional are better for remote areas and single carriers as they can catch a weaker signal that is farther away. There are basically two types of antennas: omnidirectional or unidirectional, also referred to as yagi.Īs the name suggests, an omnidirectional antenna can capture a signal from 360 degrees, while a unidirectional can only get it from a 45-degree angle. Your Outdoor Antenna Brings Existing Signal InsideĪ donor antenna is placed outside in an unobtrusive area with the strongest signal it usually makes sense to attach to a wall or roof. How do signal boosters work? They add gain, which can make the signal more powerful and therefore useable for example, if your cell phone booster has a gain of +50 dB, it can take a weak -120 dB to -70 dB, which is quite strong.

A signal of -50 dB is considered exceptional strength, while -120 dB is almost non-existent. Decibels are also used for measuring sound. The Best Way to Measure Signal StrengthĬellular signals are actually radio waves, with strength measured in decibels (dB). This not only provides better signal to your phone, but better connection to your cell tower and clearer reception all around. Regardless, these are the bare minimum components to have a signal booster system function, and current regulations mean they must be sold together, as a complete kit. These can present as separate pieces, attached together, or with several outdoor or indoor antennas depending on the power of the booster and scale of the building. An indoor antenna to broadcast the signalĪlso important, and included with each purchase, is a cable and connectors to run them all together.An amplifier (or booster) to boost the signal.An outdoor antenna to capture existing signal.Most signal boosters are made up of three key components: What Components Make Up a Signal Booster?

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Boosting cellular signal