My modem/router does not have a usb port. i need one to connect my western digital external hard drive to my modem/router. will this work?

No the ethernet connection you see is to use only for the connection between the 2 devices at over 165 feet over cat 5 wiring and not to connect to the lan ports on your modem to give you a usb port how ever if you are connectig an external hard drive to your pc this will work just like the drive is connected directly to your pc but it can be located in another room up to 165 feet away this only extends the usb connection from your pc further away and does it quite well.

can I use Usb output to dac ?

Hi, theoretically speaking, USB2.0 Extender can connect DAC; but we did not test this application, not sure what sound effect will be. Wish your understanding. (U2EX50)

Will this allow me to connect a usb microphone from one computer to another over the internet or only lan?

I don't think this would work. The device's transmitter sends a signal over CAT5/6 cable to the receiver which then connects to a computer via USB cable. There is no LAN or Internet involved. It will allow you to have a mic or a camera almost 200 ft away, but it is an isolated device not part of a LAN or WAN.

Can multiple computers connect to this at once? i need a solution that will allow me to share a usb dongle between hosts in a vmware cluster.

Sorry we do not understand your question. There is only one usb interface for transmitter. So there can be one computer using at the same time. Its also a point to point devices that does not support switch.

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U2EX50

Product ID: 30058129

Details

Brand
v AV Access
Color
Black
Compatible Devices
Game Console
Compatible Operating System Family
Android Linux
Data Link Protocol
Ethernet
Data Transfer Rate
480

⚡480Mbps USB 2.0 speed

📶60m USB over Ethernet range

🔌4-port USB hub expansion

2879 Kč

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Description

🚀 Elevate your USB game—long distance, multi-device, zero hassle!

CONNECT MORE DO MORE - Four USB ports let you plug in multiple devices simultaneously—webcams, keyboards, printers, and more without compromise.
PLUG PLAY SIMPLICITY - No drivers, no fuss—just connect and instantly boost your USB reach across Mac, Windows, Linux, and Android.
EXTEND YOUR WORKSPACE SEAMLESSLY - Transmit USB signals up to 60 meters over standard Ethernet cables—perfect for sprawling offices or AV setups.
RELIABLE POWER ROCK SOLID PERFORMANCE - Lockable 12V power adapter ensures your devices stay powered and stable during critical tasks.
VERSATILE INSTALLATION PROFESSIONAL FINISH - Compact design with mounting brackets fits racks, desks, or walls—blend tech with your workspace aesthetics.

The AV Access USB Over Ethernet Extender Kit empowers professionals to extend USB 2.0 connections up to 60 meters via CAT5e/6/7 cables, supporting data transfer speeds up to 480Mbps. Featuring a 4-port USB hub, stable power supply, and plug-and-play compatibility across major OS platforms, it’s ideal for AV setups, remote workstations, and surveillance systems. Its compact, mountable design ensures seamless integration into any professional environment.

Specifications

ASIN	B01EV33R8S
Best Sellers Rank	#29 in KVM Switches
Brand	v AV Access
Built-In Media	1x (Transmitter) 1x (Receiver) 1x DC 18V Power Adapter 1x USB-A to USB-B Cable (L=1.5m) 4x Mounting Brackets (with Screws) 1x User Manual
Color	Black
Compatible Devices	Game Console, Mouse, Printer, Speaker, Webcam
Compatible Operating System Family	Android, ChromeOS, Linux, MacOS, Windows
Customer Reviews	4.4 4.4 out of 5 stars (706)
Data Link Protocol	Ethernet
Data Transfer Rate	480 megabits_per_second
Hardware Interface	USB 2.0
Item Highlight	USB Over CAT5e/CAT6/CAT7 Up to 60m/196ft for Webcam, KVM, Printer, PC, Plug & Play, No Driver, for Mac Windows Linux
Item Weight	12.32 ounces
Manufacturer	AV Access
Mfr Part Number	U2EX50
Minimum Required Operating System Version	Mac OS 10.12 Sierra, Ubuntu 16.04 Xenial Xerus, Windows 10
Model Number	U2EX50
Number of Items	1
UPC	667673853427
Unit Count	1 Count
Warranty Description	We offer 1-year and 30-day hassle-free return to end-users.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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2879 Kč

Duties & taxes included

In stock

Sold byAmazon Czech RepublicDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Czech Republic.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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