1、High Reliability: Adopting industrial grade chips, for FT232 and for SP3232, this USB to RS232 adapter module ensures stable, reliable, and high speed communications for your demanding industrial applications. 2、Stable Connector: Featuring USB B interface and DB9 male connector, this module offers smooth plugging and unplugging experiences, making it suitable for rugged industrial environments. 3、Enhanced Stability: Utilizing large packaged components, this industrial communicating module boasts enhanced stability and reliability, making it the ideal choice for long term stability projects. 4、Power Signal Isolation: Incorporating independent power and signal isolation, this serial port module effectively isolates the circuits, safeguarding against interference, ensuring the security of your devices. 5、Comprehensive Guard: The RXD, TXD, RTS, and CTS pins on the RS232 end are equipped with overcurrent guard and electrostatic guard circuits, protecting your equipment from potential damage.