The cell phone signal booster frequency range: 824 ~ 849MHz 869 ~ 894MHz 65dB The cell signal booster is designed for Band 5 850MHZ 3G  Could Works for AT&T Verizon Cordova Wireless  Alltel Cricket and more (not compatible with Nextel)</br>Nice performance  Low Operating Temperature Ultra-Low Noise Receive High Gain Up to 65dB  The Mobile signal booster could cover up to 1500-2000 sq.ft in open space without obstacle perfect whip and Yagi Antennas kit  For Multiple Devices and Users</br>The cell phone signal Amplifier repeater can solve your poor signal reception problem inside your houseso you can enjoy clearer phone call or faster mobile date inside your house. Say goodbye to dropped calls in your home. Get fewer dropped calls better voice qualityPerfect for people needing fast uploads and downloads for streaming apps such as Google Chrome Safari YouTube Netflix Pandora Spotify and other data-heavy apps</br>All parts included in the kit  easy to install The cell phone signal booster repeater is used for VillageGarageBasementHomeOffice ?? hotel?? apartment and so on</br>One Year Manufacturer Warranty ?? 30-day money-back guarantee??</br></br>Product Description</br></br>NOTE :<br> <br> 1. This cell phone signal booster doesn't require a direct connection to your phone?? but rather works wirelessly. It can also work for multiple users at the same time.<br> 2. You should get 2-3 bars of stable signal in the location where the outdoor antenna is fixed in.<br> <br> Specification : <br> <br> Frequency range: 824 ~ 849MHz?? 869 ~ 894MHz <br> Max Output Power: 15dBm <br> Max Gain: 65dB<br> I/O Port: N-Female on both ends<br> Main Power: AC 100~240V / DC 5V 2.5A <br> <br> Package Contents: <br><br> * 850MHZ 65dB cell phone signal booster repeater <br> * Indoor whip Antenna <br> * Outdoor YaGi Directional Antenna With 32feet Cable <br> * Screws<br> * AC Adapter<br> * English UserManual <br><br> Installation Guide: <br><br> 1.Check and find a place where your cell phone can receive the b