... ,multilayer PCB 3)PCBA,layout designed PCBA for Wireless handheld unit PCBA specific instructionMaterial:FR-4Layer: 2 layersSurface finish, HASL lead ... are: Red, yellow, white, black, purplePCBA&SMT PCB&PCB SMT&electronic assembly&pcb electronicProcessing:uses the SMT non-lead craft, meets ... 2009all over the worldwithin 10-20days PCBA for Wireless handheld unit