SA 270 MN Sirio

Features:
• Base station antenna, Omnidirectional
• Dual-band
• VHF Low-gain, UHF High-gain
• Protection from static discharges DC-Ground
• Stainless steel hardware and radials
• Equipped with anodized aluminium bracket for an easy side mast installation
• High quality whip made of brass and copper protected by fiberglass tube
P/N 2103420.00 SA 270 MN
SA 270 MN is available for USA ham band (146 & 445 MHz)

Electrical Data
• Type:
VHF: 6/8λ colinear
UHF: 3 x 5/8λ colinear
• Design frequency:
VHF: 145 MHz
UHF: 435 MHz
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane):
VHF: beamwidth at -3 dB = 61°
UHF: beamwidth at -3 dB = 30°
• Radiation angle: 0°
• Polarization: vertical
• Gain:
VHF: 2 dBd - 4.15 dBi
UHF: 4.2 dBd - 6.35 dBi
• Bandwidth at V.S.W.R. 2:1:
VHF: 6 MHz
UHF: 17.2 MHz
• V.S.W.R. at res. freq.: ≤ 1.2:1
• Max. power: 200 Watts
• Feed system / position: Trasnfformer DC-ground / base
• Connection: N-female gold plated

Mechanical Data
• Materials: Glass Fibre, Aluminium, Brass, Stainless Steel
• Wind load / resistance: 56 N at 150 Km/h / 180 Km/h
• Wind surface: 0.05 m²
• Height (approx.): 1780 mm
• Weight (approx.): 900 gr
• Radial length (approx.): 170 mm
• Mounting mast: Ø 35-54 mm