Kenmerken
- Base station antenna, Directional
- Wide band, Low-gain
- Highly symmetrical radiation pattern in both planes (E and H)
- Protection from static discharges DC-ground
- Made of anodized aluminium alloy
- Stacked and bayed array for more gain
Specificaties Sirio WD155-N
- Type: Half wave dipole
- Frequency range: 155-175 MHz
- Impedance: 50Ω unbalanced
- Radiation (H-plane): beamwidth at -3 dB =
- WD 140-N: 245° at center freq.
- WD 155-N: 245° at center freq.
- Radiation (E-plane): beamwidth at -3 dB = 85° at center freq.
- Radiation angle: 0°
- Front to back ratio: ≥ 5 dB
- Polarization: linear vertical
- Gain: 4 dBi
- SWR in bandwidth: ≤ 1.5:1
- Max. power: 200 Watts (CW) at 30° C
- Feed system / position: RG303 teflon coax with balun / inside boom
- Connector: N-female with rubber protection cap
- Materials: Anodized 6063-T5 Aluminium, EPDM rubber, thermoplastic UV stabilized, Chromed brass
- Wind load / resistance: 77 N at 150 Km/h / 200 Km/h
- Wind surface: 0.059 m²
- Dimensions (approx.): 730 x 835 mm
- Weight (approx.): 1340 gr
- Tourning radius: 600 mm
- Operating temperature: -40° C to +60° C
- Mounting mast: Ø 35-52 mm
