{{ totalProductsCount }}
In cart {{totalProductsCount}} item(s)

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

Minimum search length 3 characters
{{searchQuery.text}}
{{shortcut.title}}
{{searchString}} → {{searchInCategorySuggest.title}}
{{category.title}}
{{category.path}}
AiO.lv Kramer HDMI AV USB 2-way PoE Smart Transmitter & 2x1 Switcher EXT3-21-XR-TR Similar products

Alternatives and similar models for Kramer EXT3-21-XR-TR HDMI AV USB 2x1 Switcher

Kramer EXT3-21-XR-TR HDMI AV USB 2x1 Switcher Photo 1

Based on this product's specifications, here are some alternatives and similar models

Kramer HDMI AV USB 2-way PoE Smart Transmitter & 2x1 Switcher EXT3-21-XR-TR
Summary description: Kramer EXT3-21-XR-TR is an HDMI AV USB 2-way PoE smart transmitter and 2x1 switcher designed for AV signal routing. It supports HDMI and USB connectivity, two input paths with switcher functionality, and PoE power for simplified installation. Intended for meeting rooms, classrooms and small AV systems, it enables seamless source selection and easy integration into networked AV setups.
Manufacturer: Kramer
Category: Video Switches & Splitters
Back to product page →
AV transmitter Kramer Electronics KDS-EN7 3840x2160 HDMI Wired
Kramer
Video Switches & Splitter...
AV transmitter Kramer Electronics KDS-EN7 3840x2160 HDMI Wired
Delivery: 04.08.2026
790.49 €
AV transmitter Kramer Electronics TP-780T Black
Kramer
Video Switches & Splitter...
AV transmitter Kramer Electronics TP-780T Black
Delivery: 18.08.2026
478.49 €
AV transmitter Kramer Electronics TP-580TXR
Kramer
Video Switches & Splitter...
AV transmitter Kramer Electronics TP-580TXR
Delivery: 18.08.2026
447.99 €
AV transmitter Kramer Electronics DIP-20
Kramer
Video Switches & Splitter...
AV transmitter Kramer Electronics DIP-20
Delivery: 04.08.2026
1,036.99 €
AV matrix switcher Kramer VS-44H2A — 4x4 HDMI with audio, 3840x2160@60Hz 4:4:4, Mini-USB, 100-240V
Kramer
Video Switches & Splitter...
AV matrix switcher Kramer VS-44H2A — 4x4 HDMI with audio, 3840x2160@60Hz 4:4:4, Mini-USB, 100-240V
Delivery: 04.08.2026
2,804.49 €
AV transmitter & receiver Digitus 4K HDMI Extender via CAT/IP Set PoE
DIGITUS
Video Switches & Splitter...
AV transmitter & receiver Digitus 4K HDMI Extender via CAT/IP Set PoE
Delivery: 04.08.2026
308.49 €
AV transmitter & receiver Lindy 70m Cat.6 4x4 HDMI 4K60 Matrix Extender
Lindy
Video Switches & Splitter...
AV transmitter & receiver Lindy 70m Cat.6 4x4 HDMI 4K60 Matrix Extender
Delivery: 04.08.2026
885.99 €
AV transmitter & receiver Marmitek MegaView 63 Black MV63 wireless HDMI
Marmitek
Video Switches & Splitter...
AV transmitter & receiver Marmitek MegaView 63 Black MV63 wireless HDMI
Delivery: 18.08.2026
73.49 €
AV transmitter & receiver Tripp Lite B127A-1A1-BCBH 4K 60Hz USB-C to HDMI
tripp lite
Video Switches & Splitter...
AV transmitter & receiver Tripp Lite B127A-1A1-BCBH 4K 60Hz USB-C to HDMI
Delivery: 18.08.2026
346.99 €
AV transmitter LevelOne HDMI over Cat.5 Transmitter HDBaseT 100m 4 Channel Outputs 802.3af PoE
LEVELONE
Video Switches & Splitter...
AV transmitter LevelOne HDMI over Cat.5 Transmitter HDBaseT 100m 4 Channel Outputs 802.3af PoE
Delivery: 04.08.2026
773.99 €
AV transmitter PLANET IHD-420PT Video Wall 4K/60 HDMI & USB, 3084×2160, Black
PLANET
Video Switches & Splitter...
AV transmitter PLANET IHD-420PT Video Wall 4K/60 HDMI & USB, 3084×2160, Black
Delivery: 04.08.2026
697.99 €
{{totalProductsWishes}} {{totalProductsCompare}} {{totalProductsCount}}
We respect your privacy
We use cookies to ensure the full operation of our store. The information associated with cookies is not used to personally identify you, and the files themselves are stored on your device, under your control. Cookies are not used for purposes other than those stated in our Privacy policy. By continuing to use our site, you agree to the use of essential cookies. If you do not agree, please, leave this site.
We use cookies
Show info
We respect your privacy
We use cookies to ensure the full operation of our store. The information associated with cookies is not used to personally identify you, and the files themselves are stored on your device, under your control. Cookies are not used for purposes other than those stated in our Privacy policy. By continuing to use our site, you agree to the use of essential cookies. If you do not agree, please, leave this site.
Which cookie files we use?

The necessary technical cookies allow you to use the basic functions of the store, such as page navigation, ordering, access to secure sites and more. The site cannot function properly without these files.

Preferences cookies are used to save information that changes how the site works and looks.

Static cookies are used in order to help the sites owner understand how the users are interacting with the site.

Marketing cookies are used in order to track a users movements throughout the site in order to show interesting and relevant ads to the specific user.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
shipping
Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.