RF Repeaters, Antennas, Passive Components manufacturer / supplier in China, offering 4W Full-Duplex Handheld Walkie-Talkie with 1.77" TFT LCD Display and AES128/256 Security Protected Two-Way Radio, Mv43 Long Range Wireless Video Transmitter: 50km Los, 20km Nlos, Robust HD Wireless Receiver with Cofdm Technology for AV Microwave Link and so on.