WD 140 N

Antenna VHF Base, 140 - 160 MHz, Directional, Half Wave Dipole, 73 x 92cm, Gain 4dBi, Max 200 Watts (CW), Connector N-Female

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


Electrical Data:
• Type: Half wave dipole
• Frequency range: WD 140-N: 140-160 MHz 
• Impedance: 50Ω unbalanced 
• Radiation (H-plane): beamwidth at -3 dB = WD 140-N: 245° at center freq. 
• Radiation (E-plane): beamwidth at -3 dB = WD 140-N: 80° 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 
• Weight (approx.): WD 140-N: 1390 gr 
• Tourning radius: 600 mm 
• Operating temperature: -40° C to +60° C 
• Mounting mast: Ø 35-52 mm