Sirio WD-140N Dipol 140-160 MHz

FEATURES, FUNCTIONS AND SPECIFICATIONS:

Features:
• 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

P/N 2113301/140 WD 140-N
P/N 2113301/155 WD 155-N

Electrical Data:
• Type: Half wave dipole
• Frequency range:
WD 140-N: 140-160 MHz
WD 155-N: 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 =
WD 140-N: 80° at center freq.
WD 155-N: 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

Mechanical Data:
• 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.):
WD 140-N: 730 x 915 mm
WD 155-N: 730 x 835 mm
• Weight (approx.):
WD 140-N: 1390 gr
WD 155-N: 1340 gr
• Tourning radius: 600 mm
• Operating temperature: -40° C to +60° C
• Mounting mast: Ø 35-52 mm