What are the dimensions and weight of the transmitting and receiving units of the KVM extender?

Both the transmitting and receiving units have dimensions of 4.09 in x 4.41 in x 0.91 in and weigh 0.47 lbs each.

What is the maximum distance for extending HDMI and USB signals with the SIIG HDMI 4K30Hz KVM Over IP Extender?

The maximum distance for extending HDMI and USB signals is up to 394ft (120m) over Cat6/7 network cable.

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SIIG HDMI 4K30Hz KVM Over IP Extender - 394ft - Over IP KVM Extender - One to Many - HDMI Loop-Out - Downscaler - Low-Latency (CE-H27R11-S1)

KVM EXTENDER KIT - Extends HDMI and USB signals to a remote display up to 394ft (120m) over Cat6/7 network cable. The Transmitter's HDMI loop-out offers local monitoring of the extended displays. Connect wired/wireless keyboard and mouse to control the computer from any extended display. *Note: Touch screen functionality is not supported
4K @30Hz - Delivers Full HD video content up to 4K @30Hz with low-latency. Perfect High Definition AV transmission solution for data centers & IT management, education & training, control rooms and surveillance systems
ONE to MANY / ONE to ONE - Extends HDMI signal in One-to-one and One-to-many* connection. *Note: One-to-many connection requires dedicated Gigabit Ethernet switch (not included) and additional Receiver units, part # CE-H3KE01-S1 (sold separately)
ADVANCED FEATURES: High quality surface mountable metal housing efficiently dissipates heat build-up, to ensure system stability and trouble-free operation; Supports Reset Function; Plug-n-Play installation, no software installation or hardware setup is required
At SIIG, we are proud of our products and service. Our products are of high quality and built to last. We are here to assist should you need us. We provide Manufacturer Warranty for our products and email support. Contact us thru Amazon if any issues arise