Cell Phone Signal Booster for Home and Office Use - 65dB 850MHz Band 5 Mobile Repeater with Yagi Antenna - Boost Voice and 3G Data BETTER VOICE AND DATAGet fewer dropped calls, better voice quality, faster uploads and downloads. You could share you enjoy time the via good voice call and you don't worry about the call will dropped suddenly. COMPATIBLE WITH ALL US NETWORKSBoost GSM / UMTS 3G cell signal for Verizon, AT&T, T-Mobile, US Cellular, Straight Talk and more. 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. GUARANTEEFCC certified. We offer 30 days customers satisfaction, 3 months free replacement, 1 years manufacturer warranty. Frequency (Band 5): Uplink: 824 - 849MHz; Downlink: 869 - 894MHz Max. Gain(dB): 62dB 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">Host</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 5, please choose this booster. If the test result is other number, please choose another booster. 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 5, please choose this booster. If the test result is other number, please choose another booster.