Walkie Talkie manufacturer / supplier in China, offering Fiber Optic Signal Booster (Active DAS) : 2g/3G/4G/5g, Medium Low Power for in-Building Coverage, Active Das for Cellular Mobile Signal Booster, Smart Managed Indoor Coverage, Real - Time Monitoring, Auto Gain Control, Ideal for Shopping Malls, Plug-and-Play Multi-Frequency RF Mobile Signal Amplifier (FM/VHF/UHF+2G-5G) 20W Frequency Shift Repeater for Rural Area Easy Deployment and so on.