zBoost YX520i Signal Booster with International Frequency Capability, Designed for consumers, the zBoost mobile phone signal booster extends Mobile Zones for single or multiple users in homes or offices. Now available for International Frequencies, YX520i dual-band model works with 900MHz phones and 1800MHz mobiles simultaneously. Package includes everything you need, amplifier base unit and base unit antenna (pictured), signal antenna (pictured), power supply (not pictured) and RG-59 coaxial cable (not pictured). The omni-directional antenna is easy to orient and receive signals from multiple towers.The use of radio distribution equipment that enhances, extends or amplifies a wireless signal may be prohibited without the consent of the wireless carrier upon whose network such equipment will be used. You should consult with your carrier before purchasing such equipment to use with that carrier’s service.