1. Specification
| A. Electrical Characteristics | |
| Frequency | 433MHz |
| Impedance | 50 Ohm |
| S.W.R. | <2.0 |
| Gain | -1.5dBi |
| Efficiency | ≈30% |
| Polarization | Linear |
| Horizontal Beamwidth | 360° |
| Vertical Beamwidth | 45-48° |
| Max Power | 50W |
| B. Material & Mechanical Characteristics | |
| Connector Type | SMA connector |
| Cable Type | RG174 Cable |
| Dimension | Φ30*170mm |
| Weight | 0.045Kg |
| Antenna material | Carbon Steel |
| C. Environmental | |
| Operation Temperature | - 40 ˚C ~ + 80 ˚C |
| Storage Temperature | - 40 ˚C ~ + 80 ˚C |
2. Antenna - S Parameter Test Data
2.1 VSWR

2.2 Total Efficiency & Gain:
| Frequency(MHz) | 430.0 | 431.0 | 432.0 | 433.0 | 434.0 | 435.0 | 436.0 |
| Gain (dBi) | -1.78 | -1.77 | -1.78 | -1.85 | -1.97 | -2.12 | -2.28 |
| Efficiency (%) | 29.05 | 28.86 | 28.51 | 27.80 | 26.73 | 25.52 | 24.29 |

| 3D | 2D-Horizontal | 2D-Vertical | |
| 430MHz | ![]() | ![]() | ![]() |
| 433MHz | ![]() | ![]() | ![]() |
| 436MHz | ![]() | ![]() | ![]() |