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Sirio SA 270 LN VHF-UHF dual band fixed antenna

VHF-UHF dual band fixed antenna

Sirio - SA 270 LN

142-148:430-440MHz, 2x5/8:5x5/8 l, gain 6:9 dB, SWR < 1,2, 270cm, 4 radials, max power 200W

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Sirio SA 270 LN VHF-UHF dual band fixed antenna
 Price:
141.08 EURO
*) VAT not included
Availability :
not available

Sirio SA 270 LN - Dual-band, Base station antenna
 
Features
 • Base station antenna, Omnidirectional
 • Dual-band
 • VHF Medium-gain, UHF High-gain
 • Protection from static discharges DC-Ground
 • Stainless steel hardware and radials
 • Fiberglass whip made of two conic sections jointed by ABS parts for distortion free radiation diagram
 • High quality whip made of brass and copper protected by fiberglass tube
 
 
Electrical data
 • Type:
     VHF: 2 x 5/8λ colinear
     UHF: 5 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 = 39°
     UHF: beamwidth at -3 dB = 22°
 • Radiation angle:
     VHF: 0°
     UHF: -4°
 • Polarization: vertical
 • Gain:
     VHF: 3.2 dBd - 5.35 dBi
     UHF: 5.8 dBd - 7.95 dBi
 • Bandwidth at V.S.W.R. 2:1:
     VHF: 3.4 MHz
     UHF: 18.6 MHz
 • V.S.W.R. at res. freq.:
     VHF: ≤ 1.2:1
     UHF: ≤ 1.3:1
 • 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: 81 N at 150 Km/h / 160 Km/h
 • Wind surface: 0.07 m2
 • Height (approx.): 2790 mm
 • Weight (approx.): 1250 gr
 • Radial length (approx.): 495 mm
 • Mounting mast: Ø 35-54 mm
* Specificatiile pot fi schimbate fara preaviz
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