BSD Tech is committed to developing and producing high quality mobile phone signal booster and providing reliable mobile phone signal coverage solutions to our customers,We maintain strict cost control and strengthening of operational efficiency ,wish to provide customers high quality products with most competitive price.So far, we are the only mobile signal amplifier manufacturer in the world that can use the Tuya App for remote monitoring.If you are a wholesaler, distributor, or retailer, you can view the installation location of the device and the working status of the product through authorization in the Tuya backend monitoring center. Better after-sales service and maintenance of customer relationships.If you are a direct user of the amplifier, you can remotely view the working status of the device and set the amplifier system gain through the Tuya App. You can switch on or off the amplification function of any frequency band, and contact our signal experts to help you solve installation problems.