Cell Phone Signal Booster for Home and Office - Boost 4G LTE Data for Verizon - 70dB 700MHz Band 13 Cell Repeater BETTER 4G LTE DATA This booster is band 13, it can only improve 4G LTE data speeds for Verizon. If you have a 4G-capable phone and upload or download a lot of data, such as large photos, video files, streaming video or music, this is the recommended choice. WORKS WITH ALL CELLULAR DEVICES Boosts performance for iPhone, Samsung, Android and other phones and mobile devices. CHECK YOUR BAND AND OUTSIDE SIGNAL BEFORE PURCHASEYour cell phone should work on same frequency band as the cell phone booster, please check which band your cell phone uses firstly; Cell phone signal boosters can only amplify an existing signal, if there is no outside signal, the booster will not work for you. QUICK, EASY SETUPOmni-directional indoor whip antenna connects directly to the base unit, directional outdoor yagi antenna should be aimed at the existing tower to receive the most direct line to the signal. PERFORMANCE GUARANTEEDFCC Certified, 30-day money-back guarantee, 3-month free replacement, 3-year manufacturer warranty. Frequency (Band 13):   Uplink: 776 - 787MHz; Downlink: 746 - 757 MHz Max. Gain(dB): 70dB I/O Port: N-female on both ends Cable Type: RG58 Power Supply: Input AC 100~240V 50/60Hz, Output DC 5V 2A 1 * Signal Booster 1 * Power Adapter 1 * Screws for Mounting 1 * English User Manual 1 * Indoor Antenna 1 * Outdoor Yagi Antenna with 10m (about 32.8ft) Cable Mount the <span class="a-text-bold">Outdoor Antenna</span>. Choose a location for the Outdoor Antenna using your cell phone to determine <span class="a-text-bold"><span class="a-text-italic">the area of strongest signal</span></span>. Place the <span class="a-text-bold">Booster </span>where you want to create a Cell Zone. For the widest possible signal area, position the Host near the middle of a room. Connect the <span class="a-text-bold">Indoor Antenna</span> to the Host and place it where you need signal. Run the provided <span class="a-text-bold">coaxial cable</span> between the Host and Outdoor Antenna. Connect the Host to the <span class="a-text-bold">power supply</span> and plug into a power outlet. Dial <span class="a-text-bold"><span class="a-text-italic">*3001#12345#*</span></span>, then press <span class="a-text-bold"><span class="a-text-italic">Call</span></span> button; Click &#039;<span class="a-text-bold"><span class="a-text-italic">Serving Cell Info</span></span>&#039;; Check &#039;<span class="a-text-bold"><span class="a-text-italic">Freq Band Indicator</span></span>&#039;. If it shows 13, please choose this booster. If the test result is other number, please click <span class="a-text-bold">5-band Booster</span> below. Download and install the app: <span class="a-text-bold"><span class="a-text-italic">LTE discovery</span></span>; Press &#039;<span class="a-text-bold"><span class="a-text-italic">SIGNALS</span></span>&#039;; Check &#039;<span class="a-text-bold"><span class="a-text-italic">EARFCN</span></span>&#039;. If it shows 13, please choose this booster. If the test result is other number, please click <span class="a-text-bold">5-band Booster</span> below.