Mobile signal boosters operate through a straightforward yet effective mechanism. The external antenna, typically mounted on the roof or a high point outside the building, captures weak cellular signals from nearby towers. This signal is then sent to the amplifier, which boosts its strength significantly. After amplification, the internal antenna redistributes the enhanced signal throughout the area, improving connectivity for mobile devices. The entire process ensures that users experience fewer dropped calls and faster data speeds. Understanding this mechanism is crucial for users, as it highlights the importance of proper installation and positioning of antennas to maximize performance and coverage.