Best Serial Modem

Dual Band GSM Modem with Wavecom Q2406B Module Wireless at Commands Data SMS

Simple Serial Null Modem extension cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible.
(Not VGA-CABLE) 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 rs232 extender cable with AL foil.
DB9 male to female crossover adapter extender equipped with screws on each end to ensure an easy and solid connection for stable 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 DE9 serial extender cord m/f for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment.

1.5ft male 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 male to female with AL foil.
DB9 female to male connector on each end equipped with screws to ensure an easy and solid connection for stable 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 m/f for hooking up PC laptop to some old RS232C equipment like PTZ, scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment.

CP2102+ZT232 usb serial null moldem DCE adapter cable for upgrading the old version desktop DB9 - DB9 cross wired null modem cable.
usb rs232 to db9 female adapter cable,CP2102+ZT232 chip..
This cable is mostly specially used in PC(host) - PC(host) communication, also called null modem cable.
Add a Null Modem RS232 serial port to your laptop or desktop computer through USB.This cable also can be used for PC control the TV, smart TV(as nowadays the TV is a computer).
Null modem PINOUT: DB9#2-TX(yellw), 3-RX(orang), 5-GND(blk), 7-CTS(green), 8-RTS(brown).