Best Male-Male Modem Cables of 2025

Mike Davis Avatar
Mike Davis
Last Updated: Jan 9, 2025

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Male-Male Modem Cables are essential for connecting a computer or other device to a modem. These cables have male connectors on both ends, making them compatible with most modems and devices. They are available in various lengths, from a few inches to several feet, allowing for flexibility in setup and placement. Male-Male Modem Cables are typically made with high-quality materials to ensure a reliable connection and fast data transfer rates. Whether for personal or professional use, Male-Male Modem Cables are a must-have accessory for anyone who needs to connect their device to a modem.

At a Glance: Our Top Picks

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable Cover #TOP 1
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable
ftb score rating icon 9.9
C2G DB25 Male to DB9 Female Serial RS232 Null Modem Cable Cover #TOP 2
C2G DB25 Male to DB9 Female Serial RS232 Null Modem Cable
ftb score rating icon 9.8
AYA DB9 Female to DB25 Male Serial Null Modem Cable Cover #TOP 3
AYA DB9 Female to DB25 Male Serial Null Modem Cable
ftb score rating icon 9.6

Top 10 Male-Male Modem Cables

#TOP 1

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable

SCNM9FM2MBK
Black
1 Count (Pack of 1)
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable Cover
StarTech.com 2m Black DB9 Null Modem Serial Cable, Male to Female

This 2m DB9 Null Modem Cable by StarTech.com allows you to connect your serial devices and transfer files effortlessly. The cable features a DB9 male to female connector and is designed for RS232 Null Modem usage. It is perfect for users who need to transfer data between two devices without a modem. This modem cable is an ideal solution for users who need to connect their serial devices to a computer for data transfer.

What We Like
Easy connectivity and file transfer between serial devices
2m length provides flexibility in device placement
DB9 male to female connector for RS232 Null Modem usage
#TOP 2

C2G DB25 Male to DB9 Female Serial RS232 Null Modem Cable

C2G
3019
Beige
6 Feet
C2G DB25 Male to DB9 Female Serial RS232 Null Modem Cable Cover
C2G/ Cables To Go C2G 03019 DB25 Male to DB9 Female Serial RS232 Null Modem Cable, Beige (6 Feet, 1.82 Meters)

The C2G Serial RS232 Null Modem Cable is a high-quality cable that allows two devices to communicate without any data conflict. With a length of 6 feet, this cable is perfect for short-distance data transmission. Its rugged overmolded construction provides added strain relief and ensures a solid connection every time. The transmit and receive signals are crossed to ensure proper data transmission, and the cables are foil shielded to protect against interference. Whether you need to connect devices in corporate, education, healthcare, or home theater settings, the C2G Serial RS232 Null Modem Cable is a reliable and durable choice.

What We Like
Durable
High-quality
Reliable data transmission
#TOP 3

AYA DB9 Female to DB25 Male Serial Null Modem Cable

NM9F25M-06
Beige
AYA DB9 Female to DB25 Male Serial Null Modem Cable Cover
AYA DB9 (9-Pin) Female to DB25 (25-Pin) Male Serial Null Modem Cable (6Ft)

The AYA DB9 Female to DB25 Male Serial Null Modem Cable is a cross-wired serial/null modem cable that features one DB9 female and one DB25 male connector. It allows you to connect a serial printer to a 25-pin serial port or transfer files from PC to PC via serial connection. The rugged, overmolded construction provides added strain relief and a solid connection. This cable also allows two DTE or DCE devices to communicate with no conflict in data transmission.

What We Like
Allows connection of serial printer to 25-pin serial port
Enables file transfer from PC to PC via serial connection
Rugged, overmolded construction for added strain relief and solid connection
#TOP 4

DTech DB9 RS232 Serial Cable

DT-9007A-0.5M
Black
1.5ft
DTech DB9 RS232 Serial Cable Cover
DTech DB9 RS232 Serial Cable Male to Male Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication Compatible with Computer Network Switch Router (1.5 Feet, Black)

The DTech Serial Cable is a 1.5ft null modem cable that allows you to connect your computer to a device with a COM port RS-232 compatible interface. It is wired as a 9 pin serial port null-modem cord, with cross-linked lines for efficient data communication. The cable is equipped with DB9 male to male connectors, ensuring a stable and easy connection. With its 30AWG gauge wires, this cable is easy to solder and follows the standard wire color code. It is a perfect solution for connecting your PC or laptop to old RS232C equipment such as scanners, modems, printers, and more.

What We Like
Stable and easy connection
Efficient data communication
Easy to solder and connect

DTech DB9 RS232 Serial Cable

DT-9007B-0.5M
Black
1.5ft
DTech DB9 RS232 Serial Cable Cover
DTech DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication Computer Switch Router (1.5 Feet, Black)

DTech Serial Cable is a 1.5ft male to female null modem cord ideal for connecting your computer to devices with RS-232 compatible interfaces. It features full handshaking and 7 wire crossover, ensuring stable data communication. The cable is wired as a 9-pin serial port null-modem cord with cross-linked lines, making it suitable for connecting to various equipment like scanners, printers, and modems. The DB9 connectors on each end come with screws for easy and solid connections. With shielded construction and 30AWG gauge wires, this cable is durable and reliable for your data transfer needs.

What We Like
Full Handshaking
Cross-Linked Lines
Stable Data Communication
#TOP 6

StarTech 10ft Serial/Null Modem Cable

SCNM925FM
Gray
1 Count (Pack of 1)
StarTech 10ft Serial/Null Modem Cable Cover
StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M - Null Modem Cable - DB-9 (F) to DB-25 (M) - 10 ft (SCNM925FM)

The StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable is a reliable and durable cable designed for connecting a 9-pin serial device to a 25-pin serial port, or transferring files from PC-to-PC via a serial connection. It features molded connectors for strain relief and high-quality shielding to prevent EMI. The 10ft cable is gray in color and made of PVC. Please note that this is a cross-wired/null modem cable and may not work for straight-through connections.

What We Like
Reliable and long-lasting connection
Molded connectors for strain relief
High-quality shielding to prevent EMI
#TOP 7

DTech RS232 Cable 15ft

DT-9006A 5M
Black
15ft
DTech RS232 Cable 15ft Cover
DTech RS232 Cable 15ft Null Modem DB9 to DB9 Serial Cable Male to Male RS-232 Cord Cross TX RX line 2 Pin Crossed Without Handshake for Data Communication (15 Feet, Black)

DTech RS232 15ft Cable is a simple serial null modem cord that connects your computer to devices with COM port RS-232 interface. The cable is wired specifically for cross data communication, ensuring only TX/RX data and ground signal wires are connected. Equipped with screws for a secure connection, the 30AWG gauge wires are easy to solder to. This 15ft long cable is ideal for linking your PC or laptop to various RS232C equipment like scanners, modems, printers, and more.

What We Like
Simple null modem design
Cross data communication
Secure connection with screws
#TOP 8

Cable Central LLC DB9 Cable Male Female 25 Feet Length Beige

Cable Central LLC
Beige
25 Feet
Cable Central LLC DB9 Cable Male Female 25 Feet Length Beige Cover
Cable Central LLC DB9 Cable Male Female 25 Feet Length (Single Pack) Beige, UL Rated, 8 Conductor Cable for Data Communication, Null Modem Serial Cable DB9 Male to DB9 Female

Features
COMPATIBLE DESIGN: Our Product Line Includes Serial DB9 Cables And Gender Connectors To Connect Your Computer To Peripheral Devices. Peripheral Devices Include Modems, Printers, Networks, And Other Devices We Can Use Every Day With The Help Of DB9 Cable Male Female. Crossover Adapter Extender Null Modem Serial Cable, With Screws At Both Ends For Solid Connection And Data Stability.
MALE TO FEMALE DB9 CONNECTORS: The DB9 Cable Male Female Allows You To Place Computer Peripherals Conveniently In Your Work Area Without Sacrificing Convenience. Serial DB9 Cable Enable You To Extend Existing Connections Or Replace Cables That Prevent You From Placing Additional Screens Where You Have Space. Serial Cable Db9 Can Also Be Used To Replace Cables That Restrict Your Ability To.
THUMBSCREW CONNECTION: You Can Connect This Male To Female DB9 Cable Quickly And Easily With The Fully Molded Connectors With Thumbscrews. Simply Loosen The Screws To Disconnect, Then Attach And Tighten Securely To Connect. This Serial DB9 Cable Is Tangle-Free And Easy To Use, So It's A Great Accessory To Have On Hand In Your Home Office Or Cubicle.
EXTEND DB9 CABLES: There Is A Good Chance That You Already Have An Existing DB9 Cable Male Female And Will Need To Extend It. This DB9 Connector Has A Beige Jacket That Follows Safety Standards And Protects The Null Modem Serial Cable From Damage. All Pins Are Wired Straight Through The Electrical Cable And The Fully-Molded Design Provides Excellent Strain Relief.
BUY WITH CONFIDENCE: Cable Central LLC Strictly Check Their Serial Cable DB9 Before Being Sold. Our Power 8 Conductor Cable Is Generally Free From Any Defects, But If You Have Any Issues With Our Male To Female Db9 Cable, Please Contact Us Immediately. We Will Give You A Response As Soon As Possible And Solve Your Problem. Remember That Your Satisfaction Is Our First Priority.
#TOP 9

Cable Leader DB9 Female to DB25 Male Null Modem Cable )

10 Foot (1 Pack)
Cable Leader DB9 Female to DB25 Male Null Modem Cable ) Cover
Cable Leader DB9 Female to DB25 Male Null Modem Cable (10 Foot (1 Pack))

Features
Shielding: Single Shielded With Al-Foil
Conductors: 28 AWG
RoHS Compliant
#TOP 10

DTech DB9 RS232 Serial Cable (15 Feet)

DT-9006B 5M
Black
15ft
DTech DB9 RS232 Serial Cable (15 Feet) Cover
DTech 15ft DB9 RS232 Serial Cable Male to Female Extension Simple Null Modem Cord Cross TX RX Line 2 Pin Crossed for Computer Data Communication (15 Feet, Black)

DTech Serial Cable (15ft) is a straightforward solution for extending COM port connections between your computer and older RS-232 compatible devices. With 3 wire types and no hardware handshaking, this cable features crosslinked TX/RX data and signal ground wires for seamless data communication. Equipped with screws on each end for a secure connection, the 30AWG gauge wires are easy to solder, following the standard wire color code. This 15-foot long cable is ideal for connecting various RS232C equipment like scanners, modems, printers, and more.

What We Like
Easy data communication
Solid connection
Standard wire color code
Buying Guide Image
Editor's Notes

During our male-male modem cable research, we found 24 male-male modem cable products and shortlisted 10 quality products. We collected and analyzed 6,688 customer reviews through our big data system to write the male-male modem cables list. We found that most customers choose male-male modem cables with an average price of $7.12.

The male-male modem cables are available for purchase. We have researched hundreds of brands and picked the top brands of male-male modem cables, including StarTech.com, C2G, AYAGROUP, DTech, Cable Central LLC. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.