CX 4-71  SIRIO View larger

CX 4-71 SIRIO

VS 000606

New product

BASE ANTENNA VHF

70...74 MHz Tunable /

3/4 λ coaxial J-pole /

3090 mm

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49,00 € tax incl.

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Features:

- Base station antenna, Mono-band
- Low-gain, Omnidirectional
- Protection from static discharges DC-Ground
- Made of aluminium alloy 6063 T-832

 

 
 
Electrical Data
- Type: 3/4λ coaxial J-pole
- Frequency range:  CX 4-71: tunable 70...74 MHz 
- Impedance: 50Ω
- Radiation (H-plane): 360° omnidirectional
- Radiation (E-plane): beamwidth @ -3 dB = 60°
- Radiation angle: 3°
- Polarization: linear vertical
- Gain: 2dBd - 4.15 dBi
- Bandwidth @ SWR ≤1.5:  CX 4-71: ≥ 2.0 MHz @ 73 MHz 
- SWR. @ res. freq.: ≤ 1.2
- Max. Power (CW) @ 30°C: 500 Watts
- Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short
- Connector: UHF-female
   
Mechanical Data
- Materials: Aluminium, Brass, Stainless Steel, Nylon
- Wind load / resistance: 97 N @ 150 Km/h / 150 Km/h
- Wind surface: 0.08 m²
- Height (approx.): from 2700 to 3360 mm
- Weight (approx.): 1900 gr
- Mounting mast: Ø 35-42 mm