Skip to main content
DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black)
DTECH

DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black)

Bottom line: The DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full ($7.98 on Amazon as of 2026-10-06): Full 7-wire handshaking: 2-3, 4-6, 7-8 crossed (TX/RX, RTS/CTS, DTR/DSR); main trade-off: 1.5 feet only, too short to reach a distant COM port.

$7.98

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Buy on Amazon — $7.98 Compare to similar cables & connectors

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Full 7-wire handshaking: 2-3, 4-6, 7-8 crossed (TX/RX, RTS/CTS, DTR/DSR)
  • ✓ Thumbscrews on both DB9 female ends lock the connection
  • ✓ AL foil shielding on a standard shielded DE9 run
  • ✓ 1.5 ft length keeps bench and rack setups tangle-free

Cons

  • ✗ 1.5 feet only, too short to reach a distant COM port
  • ✗ Crossover wiring only, cannot pass straight-through signals
  • ✗ Not a 15-pin VGA cable despite the similar shell
  • ✗ Female-to-female only, needs a gender changer for male ports

Manufacturer description

Full Handshaking Signal RS-232 Cross over Cord (All Wire Connected)Note:1. It’s a RS232 serial crossover cable female to female port, DO NOT perform straight through function.2. It’s not a 15 pin VGA cable to connects computer to monitor, is only for RS 232 communication port to interface one system to anther system.3. Shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs.Transfer data between two devices using a RS-232C serial communication protocolIf your equipment require full wire null modem cable (full handshaking signal), take this 1.5 foot 9 pin…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full… using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. DTECH's cables & connectors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cables & connectors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 1.5ft female to female serial null modem cable (7 wire type and full handshaking) connects your computer to device with COM port RS-232 compatible interface
  • Wired as a 9 pin serial port Null-Modem cord that 2-3, 4-6, 7-8 line are cross linked (TX,RX,RTS, CTS, DTR,DSR wires are connected); standard shielded DE9 rs232 cable female to femalewith AL foil
  • DB9 female to female connector on each end equipped with screws to ensure an easy and solid connection for stable serial cross data communication
  • The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code
  • 1.5 feet short null serial adapter f/f for hooking up PC laptop to some old RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment

Full Specifications

BrandDTECH
ColorBlack
Gauge30.00
ModelDT-9007C-0.5M
Cable TypeVGA
Item ShapeRound
Model NameNull Modem Serial Cable 1.5ft
Unit Count1.0 Count
Item Length0.5 Meters
Part NumberDT-9007C-0.5M
CompatibilityPC
Connector TypeDB9
Number of Pins9
Connection TypeWired
Maximum Voltage15 Volts (DC)
Number of Items1
Special FeatureData Transfer, Low Voltage
Connector GenderFemale-to-Female
Specification MetISO
Compatible DevicesLaptop, Modem, PC, Printer, Router

Ready to buy?

DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $7.98

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Related Cables & Connectors

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication (1.5 Feet, Black)
$7.98
View on Amazon →