1.single-sided alumina ceramic pcb board 2. for lighting, GPS. communication, antenna, vehicle instrument 3.ROHS, UL, ISO14001 1. single-sided 95% alumina ceramic pcb2. for lighting, GPS. communication, antenna, vehicle instrument3. Fast delivery and competitive price4. Certificate: ROHS, UL, ISO9001-2000, ISO14001 single-sided rf ceramic pcb board