... ,aluminum,High Frequency(Rogers,Taconic,Aron,PTFE,F4B)Material Thickness(mm)0.40, 0.60, 0.80, 1.00, 1.20 ... , 1.60, 2.0, 2.4, 3.2Max board size(mm)1200x400mmBoard Outline Tolerance±0.15mmBoard Thickness0.4mm--3.2mmThickness Tolerance ... with our professional skills and cheerful services. F4BK PCB for Transceiver