• Refurbished;• Ideal for car, truck or RV ;• Multi-user wireless signal booster;• Fast 4G network speeds;• Boosts signal, including 4G LTE & 3G data, for all US cellular carriers;• Up to 50dB gain to extend cellular signal range;• Can add up to 2 hours additional talk time in weak-signal areas;• Simple instructions & DIY installation;• FCC certified for all US carriers;• Friendly, US-based customer support;• 1-year warranty;• Includes all components needed for installation--booster, indoor & outdoor antennas & power supply;