Sigint Solutions



The Lab Brick LMS series of USB-compatible, synthesized signal generators cover a frequency range from .5 GHz to 20 GHz with low noise, fast 100-microsecond switching time, and fine 100 Hz frequency resolution.

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Specially designed for USB super users, the 4-Port Lab Brick USB Hub from Vaunix reaches new heights of performance, durability and quality. This self-powered, industrial-quality model LPH-204B USB hub features an oversized power supply capable of providing as much as 1 A current at +5 VDC to each of its four USB ports simultaneously. Designed to power USB peripherals, such as the company's Lab Brick signal generators and digital attenuators, the Lab Brick USB hub delivers clean, highly regulated power to audio, video, RF, and microwave USB devices for applications in production lines, test laboratories, and automatic-test-equipment (ATE) systems.

The ROHS compliant LPH-204B Lab Brick USB Hub is housed in a robust, cast-aluminum enclosure measuring 3.86 x 2.52 x 1.35 in. (98 x 64 x 34 mm) and weighing just 0.5 lb. (0.23 kg). The lightweight, durable housing equips the USB Hub for the most rugged environments. Accessories include mounting provisions for installation into various locations, such as test benches, test racks, desks, and vehicles. A 12V, 24W AC/DC adapter and USB host cable are also provided.

Features and Benefits
  • Ultra low noise for optimal performance of audio and video recording equipment
  • Durable cast-aluminum housing suitable for the most rugged environments
  • Oversized power source guaranteed to support current intensive USB peripherals on all 4 ports simultaneously
  • DVM probe port access for monitoring USB device load current on port 1
  • AC/DC wall adapter and USB host cable provided

Technical Specifications

Model LPH-204B
Number of Ports 4
Compatibility USB 2.0 and 1.1
Data Transfer Rate Up to 480 Mbps
Vbus Regulation 4.85 to 5.15 VDC (up to 1 amp per port)
Load Current Monitor Yes
Current Measurement Accuracy +/-10 mA max.
Current Measurement Accuracy Yes (1 amp)
Operational Temperature -30°C to +55°C
Dimensions 3.86 x 2.52 x 1.35 in. (98 x 64 x 34 mm)
Weight <8 oz. (<230g)
Control USB TypeB
Power 12V - 24W AC/DC wall adapter
Mounting Provisions Counter-bore through holes (2)



  • 3' USB Cable
  • 6' USB Cable
  • 9' USB Cable
  • 15' USB Cable