Large hyperbaric chamber in a medical room
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Defense Shielding Systems

Military EMC Test Chambers

MIL‑STD‑461 and DEF STAN 59‑411 compliant chamber environments engineered for defense, tactical vehicle, and aerospace electromagnetic compatibility testing.

3m Pre-Compliant Semi-Anechoic Test Chamber

Technical Specifications

Frequency Range
Standard: 30 MHz – 18 GHz
Extended: up to 40 GHz

Dimensions & Structure
Large devices: 9m x 6m x 4.5m
Small devices: 6m x 4m x 3m
Quiet Zone: 1.5m homogeneous area at 3m measurement distance

Shielding Effectiveness
30 MHz – 1 GHz: ≥80 dB
1 GHz – 18 GHz: ≥70 dB

RF Absorbing Materials
Ferrite Tiles: Effective at low frequencies (20 MHz – 1 GHz)
Pyramidal Absorbers: Reduce reflections at high frequencies (1 GHz – 18 GHz)
Hybrid Absorbers: Combined use for broadband testing

MIL‑STD‑461 Compliant Chamber

Technical Specifications

Frequency Range
Standard: 30 MHz – 18 GHz
Extended: up to 40 GHz

Dimensions & Structure
Large devices: 9m x 6m x 4.5m
Small devices: 6m x 4m x 3m
Quiet Zone: 1.5m homogeneous area at 3m measurement distance

Shielding Effectiveness
30 MHz – 1 GHz: ≥80 dB
1 GHz – 18 GHz: ≥70 dB

RF Absorbing Materials
Ferrite Tiles: Effective at low frequencies (20 MHz – 1 GHz)
Pyramidal Absorbers: Reduce reflections at high frequencies (1 GHz – 18 GHz)
Hybrid Absorbers: Combined use for broadband testing

Regulatory Compliance

Built for Rigorous Defense Standards

MIL-STD-461 Compliance

DEF STAN 59-411 Standards

Extreme RF Attenuation

Precision shielding and absorbing configurations designed for radiated emissions (RE102) and radiated susceptibility (RS103) requirements.

Tailored for UK Ministry of Defence compliance across land, naval, and airborne electronic equipment test procedures.

High-performance double electrically isolated enclosure delivering over 100 dB shielding effectiveness from 10 kHz up to 40 GHz.

Proven Capabilities

Defense Shielding Benchmarks

> 100 dB

Shielding effectiveness (10 kHz - 40 GHz)

200 V/m

Radiated susceptibility field strength

100% Pass

MIL-STD-461G & DEF STAN audit readiness

Contact Shielding Team

Specify Your Defense Test Chamber

Consult directly with our EMC engineering team to develop a compliant, turnkey defense test facility engineered to your exact operational parameters.