Features by us: 1)*High gain repeater and could coverage 3000 Square feet to 5500 Square feet,the gain could up to 70-85dB.with nice looking,best price and high quality. 2)*It can improve the voice quality faster and link the date together in your home, office,basement,garage,basement and so on. 3)LCD screen display and automatic to adjust the system gain detect the obstacle about the surrounding and show the solution and how to deal with it. 4)*Easy to install and with the best guide.Meanwhile, it can also boost the speed of GPRS. Warm Tips: 1.Before order please make sure the mobile signal frequency can cover your area. 2.This cell phone signal booster can only make the weak signal stronger,it can't create signal. that's means it won't give you any help in an area where there is no signal at all. 3.You can use your mobile phone to test the signal strength in your hone, Iphone mobile: Please dial *3001#12345#*,and find the signal strength show in the top left conner of the phone. Android mobile :Please dial *#*#4636#*#*,to check the signal strength, normally -60 - -80 the booster could work well. Package Content: Model DB-850/1700 Frequency Range: Uplink:824-849MHz,1710-1755MHz Downlink:869-894MHz,2110-2155MHz Cellular Networks 2G 3G 4G Coverage 3500-5500 Square feet Shipping Weight 4Kg Size 225*165*32mm Material aluminium Gain 70db
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