Kramer Electronics SWT3-21-HU-TR Extender switch USB-C/HDMI 2x1 4K@60Hz HDBaseT 3.0

The Kramer Electronics SWT3-21-HU-TR is a professional 2x1 USB-C/HDMI switcher and extender that leverages HDBaseT 3.0 technology to transmit 4K@60Hz video, audio, data, and control signals up to 100 meters over a single CAT6A cable. Designed for seamless integration into AV systems, this MegaTOOLS® device supports automatic or manual switching between USB-C and HDMI sources, making it ideal for conference rooms, classrooms, and digital signage installations.

Advantages

Experience uncompromised 4K video quality with 4:4:4 chroma subsampling, extended reach via HDBaseT 3.0, and versatile connectivity including USB 2.0/3.0 passthrough, Ethernet, and RS-232 control. Power over Ethernet (PoE) simplifies installation by eliminating the need for a local power supply, while the compact form factor saves rack space.

Suitable for

• Conference rooms requiring reliable source switching and long-distance extension
• Educational environments with multiple display sources
• Digital signage and retail displays needing high-resolution video distribution
• Any professional AV setup demanding low-latency, high-bandwidth signal transmission

Key specifications

• Inputs: 1x USB-C (Video, Data, Audio, Power), 1x HDMI
• Output: 1x HDBaseT 3.0 (RJ-45)
• Max Resolution: 4K@60Hz (4:4:4)
• HDBaseT Range: Up to 100m (330ft) over CAT6A
• HDCP: 2.3 compliant
• USB Support: USB 2.0/3.0 (Host via USB-C, Device via HDBaseT)
• Ethernet Pass-through: 1 Gbps
• Control: RS-232, Ethernet (LAN), Contact Closure
• Power: PoE or local 12V DC
• Form Factor: MegaTOOLS®

Recommendations

For optimal performance, use high-quality CAT6A cables and ensure HDBaseT 3.0 compatibility with the receiver. The SWT3-21-HU-TR is an excellent choice for extending 4K signals over long distances without degradation.