Antenna Library/Communication/433 MHz ISM Tuned Folded Dipole
CAD Geometry • FOLDED_DIPOLESTEP / SolidWorks AP214
3D CAD•3D CAD SOLVER MODEL
Balunλ / 2 Dipole Span
±0.001 mm CAD

Computational Verification

Primary SolverAnsys HFSS
Numerical MethodFEM
Validation StatusMeasurement-correlated
Mesh Cell Count3.2 Million
Simulation Runtime1.2 Hours

Package Deliverables

  • Touchstone .s1p
  • 3D radiation patterns
  • CAD STEP
  • Balun layout drawing
Bilateral NDA Standard & Air-Gapped Compute

Custom installed studies and platform integrations are executed on dedicated on-premise compute nodes under bilateral mutual non-disclosure agreements.

CommunicationMeasurement-correlated

433 MHz ISM Tuned Folded Dipole

Precision 433 MHz EU ISM band folded dipole with integrated 4:1 half-wave coaxial loop balun. Pure 50 Ω balanced match with zero feedline radiation.

Calibrated Solver Results

Band: 430 MHz – 440 MHz
Reflection Coefficient |S₁₁| (dB)Port input return loss & resonance dips across simulated bandwidth
S₁₁ (dB)-10 dB (VSWR 2:1)
-5 dB-10 dB-15 dB-20 dB-25 dB-30 dB430M432M433.9M436M440M
Minimum S₁₁: -29.8 dBPassband compliance: < -10 dB verified

Antenna Specifications

Operating Band
430 MHz – 440 MHz
Antenna Geometry
Closed folded dipole with integrated 4:1 coaxial balun
Peak Realized Gain
2.15 dBi
Max VSWR
1.25:1
Radiation Efficiency
97%
Polarisation
Linear
Target Platforms
Tactical, Fixed Site, Vehicle
Mesh Model
3.2M cells

License Model or Request Custom Platform Study

Add this antenna model to your request basket to license the validated simulation archive, re-simulate with custom material parameters, or order a vehicle/mast installed-performance study.