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        • Sirio SA270SN Dual Band 2m / 70cm Base antenna

          Sirio Antenne
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          Availability:
          Out of stock

          Sirio SA270-SN - dual band antenna -  colinear type base antenna for frquency range: 142-148 MHz/430-440 MHz.

          Download technical data here:

          Features:

          - Base station antenna, Omnidirectional
          - Dual-band
          - VHF Low-gain, UHF Medium-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

          Electrical Data

          - Type:
           VHF: 1/2 lambda colinear
           UHF: 2 x 5/8 lambda colinear
          - Frequency range @ SWR  VHF: 142-148 MHz
           UHF: 426-443 MHz
          - Impedance: 50 ohm
          - Radiation (H-plane): 360° omnidirectional
          - Radiation (E-plane):
           VHF: beamwidth @ -3 dB = 68°
           UHF: beamwidth @ -3 dB = 36°
          - Radiation angle: 0°
          - Polarization: linear vertical
          - Gain:
           VHF: 1 dBd - 3.15 dBi
           UHF: 3.3 dBd - 5.45 dBi
          - Max. power (CW) @ 30°C: 200 Watts
          - Grounding protection: all metal parts are DC-grounded, the inner conductor is coupled capacitively
          - Connector: N-female, gold plated central pin
                

          Mechanical Data

          - Materials: Fiberglass, Aluminium, Brass, Stainless Steel
          - Wind load / resistance: 37 N @ 150 Km/h / 200 Km/h
          - Wind surface: 0.03 sq.m.
          - Height (approx.): 1325 mm
          - Weight (approx.): 810 gr
          - Radial length (approx.): 170 mm
          - Mounting mast: 35-54 mm

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