"Adapter for RS232Epoxy fibre-glass FR4 1.50 mmDouble-sided 35 µm CuPlated through holes (PTH)Surface chemical: Ni/AuSolder resistAdapter circuit board for RS232Hole spacing: 2.54 mmSingle-hole conductors Ø 2.20 mm, square pin 1Size: 34.29 x 15.40 mm"