High Frequency PCB Built on Rogers RO4003C With 50ohm Impedance Control Hi, RO4003C high frequency material possesses the properties needed by designers of RF Microwave circuits and matching networks and controlled impedance transmission lines. This PCB is a 4 layer structure built on RO4003C(LoPro) With via in pad and impedance controlled. Build up - 4 Layer L1: TOP COPPER 1/2oz RO4003C_LOPRO 221 um L2: GND COPPER 1/2oz Prepreg RO4450F 300 um L3: SIGNAL/POWER COPPER 1/2oz RO4003C_LOPRO 221 um L4: BOTTOM COPPER 1/2oz Ground Coplanar Line LAYER REF. PLANE WIDTH SPACING IMPEDANCE L1 (TOP) L2 (GND) 350 µm 150 µm 50 ohm Basic Specifications Panel size: 95mm x 72mm = 5 pieces Solder mask / Silkscreen: Blue / White Surface finish: ENIG Finished thickness: 1.0mm ±10% Special technology: Via in pad, edge plated Acceptable standard: IPC Class 3 Contact us today for more preferential price. Best regards Ivy Deng | Business development Bicheng PCB | sales10@bichengpcb.com |Material partners: Rogers, ITEQ, SHENGYI, TAIYO, KUANGSHUN If you do not want to receive emails from Bicheng about marketing communications and special offers, reply as “remove” in the subject line. Bicheng is located at Baoan, Shenzhen, China 518103.