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10 bestNull Modemsof December 2025

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AZDelivery 25 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 25 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 25 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery

29% off

1

StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA

StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA

StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA

StarTech.com

9.8

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2

DB9 null modem adapter male to male slimline data transfer serial port adapter 10 Pack

DB9 null modem adapter male to male slimline data transfer serial port adapter 10 Pack

DB9 null modem adapter male to male slimline data transfer serial port adapter 10 Pack

JIACHENCCidea

9.6

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3

DTech 5M DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication

DTech 5M DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication

DTech 5M DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication

DTech

9.4

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4

DB9 null modem adapter male to male slimline data transfer serial port adapter 2 Pack

DB9 null modem adapter male to male slimline data transfer serial port adapter 2 Pack

DB9 null modem adapter male to male slimline data transfer serial port adapter 2 Pack

JIACHEN

9.1

Buy it on Amazon

5

PC Arena DB9 Female DB9 F 9 pin RS232 Serial Null Modem Cable 5m

PC Arena DB9 Female DB9 F 9 pin RS232 Serial Null Modem Cable 5m

PC Arena DB9 Female DB9 F 9 pin RS232 Serial Null Modem Cable 5m

PCArena

8.8

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OtherRelated products

AZDelivery 25 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 25 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!

AZDelivery 3 x CP2102 HW-598 USB to TTL 5PIN Serial Converter Adapter Module Downloader 3.3V 5V UART STC with Jumper Wire Cable compatible with Arduino Including E-Book!

AZDelivery 3 x CP2102 HW-598 USB to TTL 5PIN Serial Converter Adapter Module Downloader 3.3V 5V UART STC with Jumper Wire Cable compatible with Arduino Including E-Book!

AZDelivery I2C Serial Adapter Module Interface Board for LCD Display 1602 and 2004 compatible with Arduino Including E-Book!

AZDelivery I2C Serial Adapter Module Interface Board for LCD Display 1602 and 2004 compatible with Arduino Including E-Book!

AZDelivery UART-TTL USB Adapter 3.3V 5V CH340G Interface Converter Module, with 20cm Jumper Cable, compatible with Arduino Including E-Book! (Pack of 3)

AZDelivery UART-TTL USB Adapter 3.3V 5V CH340G Interface Converter Module, with 20cm Jumper Cable, compatible with Arduino Including E-Book! (Pack of 3)

6

PNGKNYOCN DB9 to DB25 Conversion cable RS232 female to DB25 male null modem serial parallel printer cable for DTE PC Mac Linux data transmission communication（1.5M）

PNGKNYOCN DB9 to DB25 Conversion cable RS232 female to DB25 male null modem serial parallel printer cable for DTE PC Mac Linux data transmission communication（1.5M）

PNGKNYOCN DB9 to DB25 Conversion cable RS232 female to DB25 male null modem serial parallel printer cable for DTE PC Mac Linux data transmission communication（1.5M）

PNGKNYOCN

8.6

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7

DTech DB9 RS232 Serial Null Modem Cable Female to Female Full Handshaking 7 Wire Crossover for Data Communication 0.5M

DTech DB9 RS232 Serial Null Modem Cable Female to Female Full Handshaking 7 Wire Crossover for Data Communication 0.5M

DTech DB9 RS232 Serial Null Modem Cable Female to Female Full Handshaking 7 Wire Crossover for Data Communication 0.5M

DTech

8.3

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12% off

8

KENTEK 10 Feet FT DB9 Female to DB25 Female Null Modem Serial Printer Cable Cord 28 AWG F/F Molded D-SUB RS-232 Crossover 9 to 25 Pin for DTE PC Mac Linux Data Transmission Communication

KENTEK 10 Feet FT DB9 Female to DB25 Female Null Modem Serial Printer Cable Cord 28 AWG F/F Molded D-SUB RS-232 Crossover 9 to 25 Pin for DTE PC Mac Linux Data Transmission Communication

KENTEK 10 Feet FT DB9 Female to DB25 Female Null Modem Serial Printer Cable Cord 28 AWG F/F Molded D-SUB RS-232 Crossover 9 to 25 Pin for DTE PC Mac Linux Data Transmission Communication

KENTEK

8.1

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9

DB9 null modem adapter female to female slimline data transfer serial port adapter 2 Pack

DB9 null modem adapter female to female slimline data transfer serial port adapter 2 Pack

DB9 null modem adapter female to female slimline data transfer serial port adapter 2 Pack

JIACHEN

7.8

Buy it on Amazon

10

DTECH DB9 Female to DB9 Female 5ft RS232 Serial Cable Null Modem Cord Cross TX RX line for Data Communication PC Computer (Black)

DTECH DB9 Female to DB9 Female 5ft RS232 Serial Cable Null Modem Cord Cross TX RX line for Data Communication PC Computer (Black)

DTECH DB9 Female to DB9 Female 5ft RS232 Serial Cable Null Modem Cord Cross TX RX line for Data Communication PC Computer (Black)

YUTUKI

7.5

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AZDelivery 5 x USB-C to TTL Serial Adapter for 3.3 V and 5 V Compatible with FT232RL Compatible with Arduino Includes E-Book

AZDelivery 5 x USB-C to TTL Serial Adapter for 3.3 V and 5 V Compatible with FT232RL Compatible with Arduino Includes E-Book

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