Kramer EXT3-U-R

USB Receiver

Enquire Now
Download Spec Sheet

Top Features:

  • 4–port remote USB devices

  • USB 2.0 100m (330ft) receiver

  • Two–way PoC powering

  • Compact

Plug-and-Play USB Hub for Long-Reach Applications 

Connect peripherals effortlessly with the Kramer EXT3-U-R, a 4-port USB 2.0 receiver extending signals up to 100m over CAT, with 2-way powering and support for RS-232/audio passthrough. Designed for active hosts and remote devices, it delivers reliable performance in professional setups.

  • EXT3−U−R is a comprehensive 2−way powering USB 2.0 receiver over extended−reach twisted pair CAT cable. The receiver converts the transmitted CAT signal into USB 2.0, RS−232 and audio signals.

    • Comprehensive USB Extender — Plug & play USB extender kit for providing extended–reach CAT signals and 2–way power over twisted pair copper infrastructures. A local USB host is auto–connected to remote–connected USB devices employing either interrupt, bulk or isochronous USB 2.0 standard data transfer communication.

    • Flexible USB Connectivity — Wide Variety of USB peripheral and dual–role devices can be extended including cameras, touch screens, smart boards, hard drives, game controllers, audio devices, printers, scanners, or HID (Human Interface Devices) devices such as a mouse or keyboard.

    • USB Peripherals Charging — Fast USB charging of peripheral devices when the receiver is powered by a power supply, and standard USB charging when the receiver is powered by the transmitter via CAT.

    • Bidirectional RS–232 Extension — Serial interface data flows in both directions, allowing data transmission and device control.

    • Audio Extension — The transmitted analog audio line signal, from the remote audio source, is connected to the locally connected audio playing device.

    • Cost–effective Maintenance — Status LED indicators facilitate easy local maintenance and troubleshooting.

    • Easy Installation — Single twisted–pair cable for carrying signal and power wiring. Compact PicoTOOLS® fan–less enclosure for device–back mounting, or side–by–side mounting of 4 units in a 1U rack space with the recommended rack adapter.

    • Room camera and soundbar extension in conference and meeting rooms

    • Upgrade AV meeting rooms to hybrid meeting rooms

    • Any hi–quality USB 2.0 extension in education, corporate, manufacturing and medical applications

  • TECHNICAL SPECIFICATIONS

    Inputs
    1 CAT: On an RJ–45 female connector for extension line

    Outputs
    1 Stereo Analog Unbalanced Audio On a 3.5mm mini jack connector for audio extension

    Ports
    4 USB 2.0 Devices On USB−A female connectors
    1 RS–232: On a 3–pin terminal block

    Extension Line
    Reach Up to 100m (330ft)
    Note Using Kramer cables

    Extended USB
    Data Rate: Up to 480Mbps
    Integrated USB Hubs: 1
    Transmitted Data Bandwidth: Up to 300Mbps
    Standards Compliance: USB 2.0 and 1.1

    Extended RS–232
    Baud Rate: 9600

    Power
    Power Adapter:
    Source: 12V DC, 2A
    Consumption: 12V DC, 1500mA

    USB Device Charging
    Max. Total Current: 2A

    Enclosure
    Size: Pico Tools
    Type: Aluminum
    Cooling: Convection ventilation

    Product Dimensions
    6.22cm x 5.18cm x 2.44cm (2.45" x 2.04" x 0.96" ) W, D, H

    Product Weight
    0.1kg (0.2lbs) approx

    Shipping Dimensions
    15.70cm x 12.00cm x 8.70cm (6.18" x 4.72" x 3.43" ) W, D, H

    Shipping Weight
    0.8kg (1.7lbs) approx