Best Rs232 Protocol

StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2)

MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this USB to RS232 converter works with your Windows, Mac or Linux system.
FAST TRANSFER SPEEDS: Experience fast speeds with this USB to DB9 serial adapter, supporting a Baud Rate up to 921.6Kbps.
PORTABLE DESIGN: Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go.
Install in almost any laptop or desktop computer through broad operating system compatibility, including Windows 8.
Communicate efficiently with connected devices with high-speed 921Kbps support.
Portable and lightweight, the USB-Powered design requires no additional power adapter.
USB to Straight-Through RS232 DB9 Serial Adapter.
Compatible with Windows 8, Mac OS X and Linux.
USB-powered - no external power adapter required.

Bluetooth RS232 Adapter : With this Bluetooth RS232 adapter, you can wirelessly communicate with any RS232 devices on Android smartphones or a Bluetooth enabled computer..
Built-in Industrial Bluetooth 2.0 SPP module driven by the CSR BC417 chip. Compatible with Android phones and Bluetooth enabled computers, but not compatible with any iOS device..
RS232 DB9 Interface: Please note that only Rx and Tx signals are valid. Does not support CTS, RTS hardware flow control..
Bluetooth pairing PIN: 1234, Baud rate parameters: 9600, N, 8, 1. Transmission distance of more than 20 meters.Baud rate and Bluetooth name and PIN can be configured by software. DSD TECH provides setup software for free..
About WARRANTY: DSD TECH offers a one-year warranty and lifetime technical support. If you meet any question, please contact us, we will fix your issue within 24 hours..

Wide range of applications: USB to RS232 DB9 male serial adapter can work with your Windows (10 / 8.1 / 8 / 7 / Vista / XP), MAC or Linux system and other platforms. USB adapter is designed to connect to serial devices, such as serial modem with DB9, ISDN terminal adapter, digital camera, label writer, palm computer, barcode scanner, PDA, cash register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, etc.
High quality: ftdi usb serial,the latest ftdi chip set ensures more reliable and faster operation. USB 2.0 to RS232 male DB9 console cable will support 1Mbps date transfer rate.
Most convenient: rs232 to usb simple installation, plug and play, COM port creation, baud rate can be changed to the required settings. USB power supply - no external power supply required..
Exquisite design: usb-to-serial,Gold Plated USB RS232 connector and PVC cable ensure high performance and extra durability. Powered by USB port, this USB to DB9 series RS232 adapter cable is designed to fit easily into your handbag..

15 ft serial male to female cable extends a COM port connection between your computer and some old device with RS-232 compatible so you can move rs232 device further away from your PC.
Long Serial extension adapter m/f 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.
It is pin to pin wired as a DE9 rs232 Straight Through COM cord (pinout :1-1, 2-2, 3-3, 4-4,......, 8-8, 9-9, G-G).
15 feet serial male to female extension cable for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, test equipment.

Connects USB 2.0 to RJ45 Cat5 Ethernet port via one console cable and one RS232 cable.
Compatible with Cisco routers, including the 600, 800, 1600, and 1700 series.
Console Cable Length: 1.8 m (approximately 6 ft.).
Package Contents: 1 x USB to RS232 Serial Interface Cable, 1 x RS232 9-Pin Serial to RJ45 Cat5 Ethernet Cable.

Add one serial RS-232 port with com retention to any laptop or computer with a USB port.
Simple installation and operation with COM port retention provides robust serial connectivity for legacy devices with minimal hassle.
Easy plug and play installation with USB Powered device - no power outlet required.
Extensive list of compatible operating systems makes this device perfect for almost any RS232 application.
USB to Straight-Through RS232 Serial Adapter.
COM Port assignments maintained across reboot.
Powered by an available USB port - no external power adapter required.

HOST INTERFACE: RS232(D_SUB 9-pin male) ,The adaptor eliminates your conventional RS232 serial cables, Bluetooth wireless serial port adaptor, is the....
Bluetooth classical V3.0 ,Class 1 Bluetooth RS232 Adapter with with external antennal,Support up to 100 meters (line of sight).
BAUD RATE: 1.2K~1382.4Kbps,Supports 4.8/9.6/19.2/38.4/57.6/115.2/230.4 Kbps The factory settings is 9600bps (default),You can reprogram Baud rate by....
Communicating Interface: D_SUB 9-pin Male ,Standard RS232 five-wire serial mode (RxD, TxD, RTS, CTS, GND).
Power: Plug power supply and DB9 seat power supply, 6 ~ 9V 500mA rated current.

USB to Null Modem (Cross-Wired) RS232 Serial Adapter.ftdi 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,Add a Null Modem RS232 serial port to your laptop or desktop computer through USB.
This cable is mostly specially used in PC(host) - PC(host) communication, also called null modem cable.
This cable also can be used for PC control the TV, smart TV(as nowadays the TV is a computer).
Length: 6ft Up to 921.6M RS232 transfering speed..