Skip to main content
DTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer
DTECH

DTECH Serial Adapter 3-Pack (DB9 F-F

Bottom line: The DTECH Serial Adapter 3-Pack ($6.98 on Amazon as of 2026-10-06): Covers all 3 genders: DB9 F-F, M-F, and M-M in one pack; main trade-off: DB9/RS232 only; no USB, DB25, or serial-to-USB conversion.

$6.98

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

Buy on Amazon — $6.98 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

  • ✓ Covers all 3 genders: DB9 F-F, M-F, and M-M in one pack
  • ✓ Wired straight-through pin-to-pin for reliable RS232 signals
  • ✓ Removable hex nuts and mounting screws included
  • ✓ Slimline low-profile body cuts leverage strain on COM ports

Cons

  • ✗ DB9/RS232 only; no USB, DB25, or serial-to-USB conversion
  • ✗ Gender changer only; does not convert signal or voltage
  • ✗ No shielding spec listed for high-noise environments
  • ✗ Straight-through wiring won't fix null-modem crossover needs

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored DTECH Serial Adapter 3-Pack 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

  • 3pcs mini DB9 connector set (DB9 female to female adapter, DB9 female to male adapter and DB9 male to male adapter) for serial data communication
  • RS232 gender changer is a simple little tool to change the gender on the serial cables, switch and splitter box, or to extend computer cables
  • Compact size serial port adapter bender with removable hex nut and mounting screw for an easy extension connection between two cords
  • low profile 9 pin adapter RS-232 is wired straight through pin to pin and its narrow slimline design reduces leverage strain on computer ports and save space
  • Standard 9 pin D-Sub connector converter for desktop computer COM port, PC laptop, PLC, GPS, POS, modem, router, serial monitor, LCD display, printer, scanner, cashier, Cisco switch, joystick and other legacy devices

Full Specifications

BrandDTECH
Colorblack
Model NumberCB0261
CompatibilityPC, Switch
Input Voltage100 Volts (AC)
Warranty TypeLimited
Connector TypeDB9
Item Type NameRS232 Adapter
Connection TypeWired
Item Dimensions5.5 x 3.2 x 0.9 inches
Mfr Part NumberCB0261
Number of Items3
Number of Ports1
Power Plug TypeNo Plug
Compatible DevicesSerial devices computer, PDA, GDP, POS, router, modem, printer, network server, cashier, radio, RS232 monitors, transceiver, telescope, console cable, USB serial adapter, etc.
Warranty Description1 year
Smart Home CompatibilityNot Smart Home Compatible
Item dimensions L x W x H5.5 x 3.2 x 0.9 inches
Specific Uses For ProductPC, Router, modem
Full listing titleDTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer

Ready to buy?

DTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer 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 — $6.98

*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 Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer
$6.98
View on Amazon →