Professional Mobile Phone FPC Antenna: 1 ISO9001:2008, UL, RoHS, ISO14000 2 High Quality & Competitive ... : Guangdong China (Mainland)Brand Name: QT-FlexModel No.: FPC Mobile Antenna SJ-4Base Material: PolyimideCopper Thickness: 1/2oz;1oz;2ozBoard Thickness ... . Line Spacing: 3milSurface Finishing: Immersion GoldFPC industry: FPC factory FPC Antenna SJ-4