RF & Wireless Communication PCBA RF & Wireless Communication PCBA turnkey assembly by Superb Automation. 6-layer hybrid PCB (Rogers RO4350B + FR4), ENIG finish, 400MHz–6GHz frequency range. Fully assembled with RF transceiver, PA, LNA, SAW/BAW filters, FPGA/SoC — SMT SAC305, selective conformal coating, multi-cavity RF shielding.