Looking for a manual on this startech device

We have this device (see picture) that I need a manual on to see what I need to do to upgrade from VGA to HDMI. I am replacing our computer with HDMI GPU and this device is currently being used to operate a TV and a monitor
IMG_2195
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Hello @RonC1952,

Thank you for joining the StarTech.com forum.

And thank you for your question. I took a few moments to review our products, and this appears to me to be the transmitter unit for the ST121UTP VGA Extender kit.

Column 1
VGA Video Extender over Cat5 (ST121 Series)
Mfg.part: ST121UTP

st121utp.main.jpg

The manual for this device can be found on the drivers and downloads section of the StarTech.com product page.

ST121UTP Drivers and Downloads The manual is listed here as: st121utp_manual.pdf

We have HDMI extenders if needed as well: HDMI Extenders.

Please let us know if you would like us to assist or would like some recommendations for alternative HDMI products that will fit your needs.

Sincerely,

@DavidF