... RoHS Certification 3. 1-20 layer : FR-4 matirial USB wireless Transmitter PCB1. Good Quality: UL, SGS Test, RoHS Certification2. 1- ... RoHS Complaint,excellent quality.fast leading time and competitive prices.5.PCB Manufacturing Services High quality PCB manufacturing Military, space ... mil)Min Trace Width0.075mm(3mil)BGA Pitch0.2 mm (8 mil)Solder mask ColorGreen , Red , Blue , Black , WhitePanel ...