- SMD / SMT package: LGA-14 5.0 X 5.0 mm 0.65 mm pitch. - Adapter pcb board for breadboard prototyping. - PCB has a solder mask layer to minimise the formation of solder bridges during soldering. - For connectors with 0.1 inch pitch, not included. - This adapter has a proto area of 2 x 16 pads on bottom copper. - A ground plane under the chip is available, with one pad connection.