DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black)
Brand: DTech
Color: Black

Transfer data between two devices using a serial communication protocol
If your equipment require three wire null modem cable (TX, RX and GND), take this 5 foot 9 pin serial cable adapter wherever you need it, it allows you to add your peripherals to an application or replace the cables.
This 9 pin serial cable female to female is with gold plated pins for superior corrosion resistance ensuring a solid connection.
For RS232 devices below (partial):
Telescope
vinyl cutting machine
Modem
GPS
network equipment
radio transceiver
stereo system subwoofer/speaker set
sewing machine
weather station
Or controller to a remote control camera
...
Important Note:
1.Shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs.
2.It’s not a 15 pin VGA cable that connects monitor to laptop, is only for RS 232 communication port to interface one system to another system.
Item Specifications:
Connectors: DB9 to DB9 (Female-Female)
Interface Surface: Nickel-plated
Pins Surface: Gold-plated
Wire Gauge: 30 AWG
Cord Diameter: 6mm
Color: Black
What’s Included:
1 x 5-Foot Serial Cable (Female to Female)
1 x User Manual

Simple serial null modem cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible
Wired as a 9 pin serial port Null-Modem cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded DE9 female RS232 cable with AL foil
DB9 female to female adapter extender equipped with screws on each end 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
5 feet short null serial cord f/f for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment