RF Filter, Passive Components manufacturer / supplier in China, offering S67 Series Programmable Step Attenuator S67-120d5a, Ceramic Dielectric Band Pass Filter for Beidou 38oomhz Point Frequency Low Lnsertion Loss 40MHz Bandwidth 50, Ceramic Dielectric Duplexer Ultra-Low Insertion Loss Ceramic Filters for Multi-System Compatibility and so on.