VHFbase antenna CX144 U/N

Sirio CX144 is VHF base antenna for HAM radio band 144MHz - 148MHz. Manufactured from robust aluminim alloy and weather proof plastics. High quality materials garrantee maximum effectivеness and long term exploitation. In the specified frequency band there is no need for addtional adjustments.

Technical information download from here:

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: 3/4 lambda coaxial J-pole
- Frequency range SWR at 1.5:
 CX 144 U/N: 144-148 MHz
- Impedance: 50ohm
- Radiation (H-plane): 360° omnidirectional
- Radiation (E-plane): beamwidth@ -3 dB = 68°
- Radiation angle: 0°
- Polarization: linear vertical
- Gain: 2dBd - 4.15 dBi
- Max. Power (CW) @ 30°C: 250 Watts
- Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
- Connector: CX series U: UHF-female
      

Mechanical Data

- Materials: Aluminium, Brass, Stainless Steel, Nylon
- Wind load / resistance: 50 N @ 150 Km/h / 180 Km/h
- Wind surface: 0.04 m?
- Height (approx.): CX 144  1620mm
- Weight (approx.): 750 gr
- Mounting mast: O 35-42 mm