it work whit win 8 64bits?

Don't know. It works with Win 8, but my tablet is only 32.

Does it come with compatible driver for W8-64bit? If not, where do I get the driver from?

It comes with a driver compatible with Windows XP through 10 (Including Vista, 7, 8, 8.1, etc) both 32 & 64bit. If the driver included on the CD does not work, Windows usually can install the newest driver on its own (through Windows Update) and the latest is also available from the manufacture's website.

Does this unit work for communication with CNC machines for file transfer and DNC ?

It works great with siemens 3n, 880n, and 840d controls for me. I have used win7, win8 and win 10. Comes with driver cd, but windows finds and installs drivers automatically.. Great solution for me

How long is the cable?

I don't have it with me right now to measure but it is quite long, my guess is about 5-6 feet long.

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Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above

Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above

Product ID: 1828043

Details

Color
Black
Compatible Devices
Devices with
Connector Type
DB9 USB Type A
Item dimensions L x W x H
5.5 x 3.5 x
Specific Uses For Product
PC

💡Dual-color LED indicators

🔌5ft USB cable length

🖥️FTDI chipset for wide OS support

RM196

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Connect the past to your future—gear up with Gearmo!

INSTANT SIGNAL CLARITY - Built-in dual-color LED indicators provide real-time connection status, so you never guess if your setup is right.
CROSS PLATFORM POWERHOUSE - Plug and play across Windows 7 to 11, macOS 10.6+, and Linux—your one adapter for every device.
SEAMLESS LEGACY CONNECTION - Effortlessly bridge your modern USB devices with classic DB9 serial ports—no more compatibility headaches.
TRUSTED AMERICAN ENGINEERING - Backed by over a decade of Gearmo’s precision and reliability, designed for demanding industrial and professional use.
PRO GRADE INTEGRATION SUPPORT - Need CAD files or datasheets? Gearmo’s engineering team has your back for seamless project deployment.

The Gearmo USB to Serial RS-232 Adapter features a 5ft cable with an FTDI chipset ensuring broad OS compatibility including Windows 7-11, macOS 10.6+, and Linux. Equipped with dual-color LED indicators for easy signal testing, it’s engineered in the USA for industrial-grade reliability and comes with dedicated engineering support for professional integration needs.

Specifications

ASIN	B00AHYJWWG
Best Sellers Rank	#4 in Serial Adapters
Brand	Gearmo
Color	Black
Compatible Devices	Devices with DB9 female serial port
Connector Type	DB9, USB Type A
Customer Reviews	4.6 out of 5 stars 1,453 Reviews
Finish	Led
Global Trade Identification Number	00729440691066
Input Voltage	5 volts
Item Dimensions	5.5 x 3.5 x 0.6 inches
Item Weight	2.72 ounces
Item dimensions L x W x H	5.5 x 3.5 x 0.6 inches
Manufacturer	Gearmo
Mfr Part Number	FTDI-LED
Model Number	FTDI-LED
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	PC
UPC	729440691066
Unit Count	1 Count
Warranty Description	1 Year
Warranty Type	Limited 1 year warranty

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