The cost of mobile signal boosters can vary widely based on features and capabilities. Basic models designed for small spaces may start around $100, while more advanced systems for larger areas or multiple users can exceed $500. When budgeting for a booster, consider factors such as coverage area, the number of users, and the type of installation required. Additionally, factor in potential ongoing costs, such as professional installation services if needed. Investing in a high-quality booster can save money in the long run by reducing dropped calls and improving productivity. Researching different models and comparing prices can help you find a suitable option within your budget.