62dB GSM CDMA 850MHz Cellphone Signal Repeater Booster Kit with with Indoor Whip Antenna and Outdoor

For a Metal Roof Building, Please View Below 2 Key Points Before Purchase:
There are 2 situation for reference.
1. Only metal roof, walls are not metal, booster will wok well if you can receive 1-2 bar signal outside house. But outdoor antenna on the roof need to more higher, far away from roof at least 1.5 meter/5 ft.
2. Full metal building, good outside signal but no service inside, we am not sure that booster will work. Because a few customers told us that booster boost cell signal inside but can not make call and send text.
Therefore, please according to your detail situation to purchase. If you decide to purchase, please feel free to contact us if there is any issues. We will try our best to help you.

Technical Specification:
1. Frequency Range:824-849MHz,869-894MHz
2. Max. Output power:22dBm
3. Max. Gain (dB) :62dB
4. I/O Port : N-female on both ends
5. Power Supply :Input AC100~240V 50/60Hz,output DC 5V 2A

Package:
1. 1 * Booster
2. 1 * Power Adapter
3. 1 * Mounting Screw Kit
4. 1 * English User Manual
5. 1 * Indoor Antenna
6. 1 * Outdoor Antenna with 10m (about 32.8ft) Cable

WARNING: This is NOT a CONSUMER device. It is designed for installation by FCC LICENSEES and QUALIFIED INSTALLERS. you must have an FCC LICENSE or express consent of an FCC licensee to operate the device. Unauthorized use may result in significant forfeiture penalites,including penalties in excess of $100,000 for each continuing violation.
?EXCELLENT FUNCTION?: Work with US network providers on GSM CDMA signal such as AT&T/Verizon/Cellular One/US Cellular etc, NOT including Sprint/T-mobile/Metro Pcs etc. If you are not sure cell frequency, please send us email so that we will check it for you.
?LARGE COVERAGE?: Coverage up to 2100sqft,supports 50 simultaneous users,No more dropped calls.
?SIMPLE AND EASY TO INSTALLl?: All of the components you need for installation are included in the package with easy to read, step-by-step instructions. Requires no technical experience with easy plug-and-play style setup, safe and convenient to use.
?INSTALLATION POINTS?: Yagi antenna on the roof and facing the closest cell tower, keep outside antenna and indoor antenna separately by wall.
?GUARANTEE?: 30-day money-back guarantee,Three months Free Replacement,1 Years Manufacturer Warranty.Please be assured purchase, any questions please contact with us.