Product reviewsStarTech.com USB2004EXTV 4-Port USB 2.0-Over-Cat5-or-Cat6 Extender - 165ft (50m)

I use this product to ling 3 devices used for astro photography remote operation and it work very well

Devices used are DSLR camera, Auto guide camera and Planetarium software linked to an equatorial mount to allow a go to function control.

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