Balun Transformer, Network Transformers, SMD Couplers manufacturer / supplier in China, offering Tcm1-83X+ Replacement 50ohm 1: 1 Transmission Line Transformer 10-8000MHz RF Balun Transformer, OEM/ODM Available, Tcm2-672X+ Alternative 50ohm 1: 2 Transmission Line Transformer 1700-6700MHz, SMD Flat Top Air Core Coils Inductors Smtam1812-10nj for Transmitter and CATV Application Use. and so on.