WY 140 4N

WY 140 4N

Antenna VHF Base, 140 - 160 MHz, Directional, 4 Element Yagi, 160 x 109cm, Gain 8.5dBi, Max 200 Watts (CW), Connector N-Female

Features:
• Base station antenna, Directional 
• Wide band, High-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
• Optional: tilting bracket for +-20° 


Electrical Data: 
• Type: 4 elements yagi antenna 
• Frequency range: WY 140-4N: 140-160 MHz
• Impedance: 50Ω unbalanced 
• Radiation (H-plane): beamwidth at -3 dB = WY 140-4N: 100° at center freq. 
• Radiation (E-plane): beamwidth at -3 dB = WY 140-4N: 65° at center freq. 
• Radiation angle: 0° 
• Front to back ratio: ≥ 16 dB 
• Polarization: linear vertical or horizontal 
• Gain: 8.5 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: 147 N at 150 Km/h / 140 Km/h 
• Wind surface: 0.119 m² 
• Dimensions (approx.): WY 140-4N: 1600 x 1085 mm 
• Weight (approx.): WY 140-4N: 2070 gr 
• Tourning radius: WY 140-4N: 1540 mm 
• Operating temperature: -40° C to +60° C 
• Mounting mast: Ø 35-52 mm