Rohde & Schwarz HE309E Dipole Antenna 20 MHz – 1.3 GHz
Description
Rohde & Schwarz HE309E Active Vertical Dipole Antenna 20 MHz – 1.3 GHz is designed to receive vertically polarized signals. A large bandwidth, wide dynamic range and excellent field strength sensitivity to make the antenna suitable for all receiving tasks that might occur in the field of communications, radio monitoring and radiolocation.
It is ideal for use in mobile systems and provides optimum reception results even if space is limited. The lightweight and compact antenna is accommodated in a weatherproof and rugged glass fiber-reinforced plastic (GRP) radome that fully protects the receiving dipole against the effects of weathering.
Features
- Extremely wide frequency range
- High sensitivity (low inherent noise)
- High linearity and spurious-free dynamic range
- Compact dimensions
- Rugged and weatherproof design
- No deterioration of the radiation pattern due to divided dipole design
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Specifications
| Frequency range | 20 MHz to 1.3 GHz |
| Polarization | linear vertical |
| Input impedance | 50 Ω |
| VSWR | < 3.0; typ. 2.5 |
| Circularity of horizontal pattern | typ. 3 dB |
| IP2 | typ. 60 dBm |
| IP3 | typ. 30 dBm |
| Power supply | 24 V DC (–3 V/+1 V) (max. 350 mA) |
| RF connector | N female |
| MTBF | > 250 000 h |
| Operating temperature range | –40 °C to +70 °C |
| Storage temperature range | –40 °C to +85 °C |
| Protection class | IPx5, in line with EN 60259 |
| Max. wind speed | |
| Without ice deposit | 200 km/h |
| With 30 mm ice deposit | 180 km/h |
| Dimensions (Ø × L) | approx. 1.21 m × 0.16 m (48 in × 5 in ) |
| Weight | approx. 3 kg (7 lb) |
