This breakout adapter is solderless. No soldering or crimping required. Used for experimentation or prototype work with RS-232 serial ports, I/O cards, and any other device that uses a DB9 connector. The wire board is printed with wire number which is convenient for quick wiring. Simple and quick connections installation. These adapter boards can be mounted directly to the equipment without using extension cables. The breakout board can be used for automatic control equipment, industrial control equipment, cash register, tax control machine, computer, etc. Package: 2pcs DB9 breakout board connector.(female) Connectors DB9 Female Adapter RS232 to Terminal Mounting Type Rivet(Not Included) Number of Pin 9 Number of Row 2 Hole diameter 3.
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