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LBX3500 PNEUMATIC RF SHIELD BOX LabiFix RF Shield Box - View 1 of 9
Industrial Spec View
IEEE-299 Certified
MIL-STD-285
CE Marked (RED)
RF SHIELD BOX100 MHz – 12 GHz

LBX3500 RF Shield Box

Explore the LabiFix LBX3500 RF Shield Box. Features >85dB attenuation up to 8GHz, custom I/O filter panels, and ISO 9001 quality. Request a custom quote today.

Shielding Effectiveness
> 90 dB @ 2.4 GHz
Exterior (H x W x D)
12"H x 20"W x 14"D
Interior (H x W x D)
10"H x 18"W x 12"D
Absorber Matrix
Pyramidal RF Foam
In Stock / Custom Built to Spec
Response in 2h
Fast Turnaround • Custom I/O & Absorber • ISO 9001:2015

Key Specifications & Performance

Verified laboratory measurements and mechanical dimensions for the LBX3500 series.

Technical Specifications & Performance Data

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Specification ParameterEngineering Value & Details
Model DesignationLBX3500 High Isolation RF Enclosure
Frequency Range100 MHz – 12 GHz (Optionally up to 40 GHz for 5G mmWave)
Shielding Effectiveness> 90 dB @ 2.4 GHz, > 85 dB @ 6 GHz, > 80 dB @ 12 GHz
Outer Dimensions (H x W x D)550 x 550 x 400 mm (21.6" x 21.6" x 15.7")
Inner Dimensions (H x W x D)480 x 480 x 330 mm (18.9" x 18.9" x 13.0")
I/O ConnectorsSMA (x4), N-type (x2), Filtered USB 3.0 (x2), Filtered 1GbE RJ45 (x1), AC Power Filter
Operation MechanismHeavy-duty Dual-Latch Toggle Clamp / Pneumatic Actuator
RF Absorber TypeHigh-Density Pyramidal Microwave Foam Absorber Matrix (Reflection Loss > 20 dB)
Total WeightApprox. 28 kg (61.7 lbs)
Target Applications5G NR, Wi-Fi 6E/7, Bluetooth LE, GNSS, IoT Module QA & OTA Testing

Frequency Attenuation & Shielding Effectiveness Matrix

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Frequency BandShielding Attenuation (dB)Test Condition / Standard
1 GHz - 2 GHz> 75 dBLabifix Calibrated Measurement
2 GHz - 3 GHz> 75 dBLabifix Calibrated Measurement
3 GHz - 6 GHz> 70 dBLabifix Calibrated Measurement
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