Where other boosters fail to keep your cellular signal strong, the smoothtalker mobile x6 pro 6-band wireless signal booster kit won’t let you down. The high gain weather-resistant x6 pro connects to networks up to 48km (30 miles) from the nearest tower and improves 4g lte and 3g voice calls and data speeds in large vehicles or small office spaces. With no maintenance required, stay connected even in dead zones with this self-regulating easy-to-install multi-user booster kit. This signal booster also includes a rugged cast aluminum construction providing superior shielding, heat dissipation and longevity.