But you should still understand one thing: before planning to buy a cell phone signal booster, you need to check the frequency ranges of the users' network operators.
If you are from North America, please click here to check the appropriate model with the correct frequency bands.
If you are from South America, please click here to check it out.
If you are from Europe, click here to get the right recommendation.
If you are from Africa, please click here for more information about network solutions with the frequency bands you need.