MULTI-USER – Instantly improve cell signal of talk, text, and data for multiple users and cellular devices, resulting in fewer dropped calls, better voice quality, faster data speeds, and more. FOR HOME ROOM – Max gain 60dB, Amazboost A1 improves cell coverage in a large room, like a home office, studio apartment, or living room. 5G READY – All Amazboost products support the latest in 5G technology, working seamlessly within a 5G network to deliver the best cell signal possible. FCC APPROVED – The booster is compliant with the requirements of the standards applied. FCC authentication certificate ID:A7V-SR75702001, HVIN:TRUE5-D. Approved to operate without interrupting or harming any cell carriers’ signals to and from the cell tower. Supported signal types: 3/4G LTE/5G. Boost type: Voice & Data. Internal Coverage: Up to 2,500 sq ft. Cutting-edge tech support team. Engineer sprit is always Amazboost’s innate culture, which has resulted in the creation of many excellent technologies in our R&D. Strive for better performance and ingenuity in every product. How does it work? First, make sure you can get at least 1 bars outside, then signal can be boosted indoors. Note: If there is no signal outside, then it may not work. Outdoor antenna captures all signal simultaneously. Make sure your outdoor antenna directly faces to the signal tower. It can maximumly capture all. Enjoy indoor signal boost. Indoor antenna can boost signal captured by outside antenna. Make sure the indoor antenna is away from heat and liquid. Enhance 2G/3G/4g LTE Signal. 60dB Gain Up to 100x Signal Level Increase. Professional industry level quality, ultra low loss. Directional yagi antenna point to the cell tower. Connects to booster with RG-6. This is a CONSUMER device. Before use, you must register this device with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. AT&T, Sprint, T-Mobile, Verizon and 90 additional carriers have already given consent for all consumers to use this device. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider. E911 location information may not be provided or may be inaccurate for calls served by using this device. Please note, the four largest carriers, namely, AT&T, T-Mobile, Verizon and Sprint, and more than 90 regional carriers have given a blanket consent to all boosters meeting the new certification standards. Please leave feedback after receiving your order. Any concerns, please leave us messages, we will reply to you within 48 hours.