StarTech.com ST12MHDLAN4K. Type: AV transmitter & receiver, Maximum resolution: 3840 x 2160 pixels, Cable types supported: Cat5e. Audio input: 2 x 3.5mm, Audio output: 2 x 3.5mm. AC input voltage: 100-240 V, Input current: 0.6 A, Operating voltage (transmitter): 12 V. Receiver dimensions (WxDxH): 4.61 x 5.12 x 1.18" (117 x 130 x 30 mm), Receiver weight: 20.9 oz (592 g), Transmitter dimensions (WxDxH): 4.61 x 5.12 x 1.18" (117 x 130 x 30 mm). Package dimensions (WxDxH): 9.25 x 14.6 x 2.99" (235 x 370 x 76 mm), Package width: 9.25" (235 mm), Package depth: 14.6" (370 mm)
StarTech.com SV231QDPU34K. Keyboard port type: USB, Mouse port type: USB, Video port type: DisplayPort. HD type: 4K Ultra HD, Maximum resolution: 3840 x 2160 pixels, Video bandwidth: 60 Hz. Product color: Black, Housing material: Steel, Mean time between failures (MTBF): 156000 h. AC input voltage: 100 - 240 V, Input current: 1 A, Output voltage: 12 V. Width: 7.09" (180 mm), Depth: 17.2" (438 mm), Height: 1.69" (43 mm)
StarTech.com DK31C2DHSPD. Connectivity technology: Wired, Host interface: USB 3.2 Gen 2 (3.1 Gen 2) Type-C, USB Power Delivery up to: 100 W. Ethernet LAN data rates: 10,100,1000 Mbit/s, Copper ethernet cabling technology: 10BASE-T, 100BASE-TX, 1000BASE-T, Networking standards: IEEE 802.3ab, IEEE 802.3i, IEEE 802.3u. Product color: Black, Gray, Compatible memory cards: MMC, SD, HD type: 4K Ultra HD. AC input voltage: 100 - 240 V, Power plug type: Type M, Compatible power plug types: AU, JP, US. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina,..., Mobile operating systems supported: Android 10, Android 9.0, iPadOS