Description
【Before Purchasing】-Please ensure your phone's frequency bands display band 12, 13, or 17 and that you receive at least 2 bars of signal outdoors. If not, the car cell phone booster may not function properly. (Check the product image for instructions on how to check frequency bands.).【Which Carriers Are Compatible】-No matter ATT ,Verizon,T-mobile,Straight Talk which carrier you use as long as your phone band is using band 12 13 or 17..【How Cell Phone Signal Boosters work】-The outdoor antenna receives signals from surrounding signal towers on the go, which are then amplified by the booster and transmitted to cellular devices such as smartphones indoors through the indoor antenna. It only works for band 12, 13 and 17 signals. Other frequency bands and Wi-Fi signals are not applicable..【Does C20 Boost 5g Signal 】- The C20 will only amplify your 5G signal if the 5g band your phone is using is band 12 13 or 17..【What C20 Can Help You with】-The C20 cell signal booster designed for car&RV.Used to solving the dropped cell phone calls and slow loading 4g lte 5g network on the road . Committed to improving signal strength to ensure call quality and data upload and download speeds..【Excellent After-Sales Service】 - We offer 30 days return, 90 days exchange and Up to 3 years warranty. As well as timely technical support, you can contact us anytime, anywhere by email, phone..【FCC Approved】 — The booster is compliant with the requirements of the standards applied. FCC certification number: 2ALZEL50VA-01. Approved to operate on frequency bands 12,13,17, without interrupting or harming any cell carriers' signals to and from the cell tower.
