Sirio CX440 is VHF base antenna for HAM radio band 440MHz - 455MHz. Manufactured from robust aluminium 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 440 U/N: 440-455 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 sq.m.
- Mounting mast: 35-42 mm