Walkie Talkie manufacturer / supplier in China, offering Fiber Optic Signal Booster (Active DAS) : 2g/3G/4G/5g, Medium Low Power for in-Building Coverage, 27dBm 2g/3G/4G/5g Fiber Optic Mobile Signal Repeater (Active DAS) for in-Building Coverage, 5g/4G Mobile Signal Repeater 43dBm 20W High Gain RF Amplifier Multi-Frequency FM/VHF/UHF Rural Coverage and so on.