DB9, F/F, Null Modem Mini Type

DB9, F/F, Null Modem Mini Type

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This is a mini null modem adapter with DB9 female-to-female connectors. It is used to connect two male serial cables while internally crossing transmit and receive lines for direct PC-to-device communication.

  • Compact Design: Ideal for tight spaces and portable kits.
  • Crossed Pinout: Supports direct serial communication.
  • Plug-and-Play: No drivers or software required.
  • Durable Metal Shell: Ensures long-term use in industrial setups.
  • Universal Compatibility: Works with most DB9 serial devices.



  • Model: DB9 F/F Null Modem Mini
  • Type: Serial adapter
  • Connectors: DB9 Female to DB9 Female
  • Function: Null modem (Tx/Rx crossover)
  • Application: Serial communication, device-to-device links, PC interfacing



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Free shipping will automatically be applied to all domestic orders over $75. Simply add over $75 to your cart and you will see the discount while checking out.

Shipping is free for orders over $75. For all other domestic orders shipping is $10. International shipping is $20.

We typically ship orders out within 1-2 business days of ordering. From there shipping may take 3-5 business days. For international orders shipping can take between 7-14 business days.

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