The weBoost Home MultiRoom cell signal booster boosts network speeds across all carriers for up to three rooms. Users will experience faster data speeds, better voice quality, fewer dropped calls and superior streaming capability. The Home MultiRoom works with all U. S. carriers—including Verizon, AT&T, T-Mobile, Sprint, and more. It’s also compatible with all phones and cellular devices, allowing multiple users to simultaneously enjoy enhanced cell signal coverage in your home; regardless of the carrier they use. The outside antenna features an adjustable clamp that attaches to a roof-top vent pipe or standard antenna pole, or you can attach the antenna to the side of your home with the included mounting bracket. For added versatility and convenience, the inside antenna can either be placed on a shelf or mounted on a wall.Professionally inspected and refurbished by weBoost, these kits are just like new and come with a full 1 Year Manufacturer warranty with all genuine components. Same great quality with a piece of mind!