Sirio CX-4-73 Base Antenna

vendor-unknown

£54.98 
SKU: SHM-SPA-CX473

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The Sirio CX-4-73 is a 4m band base antenna, this one is designed to work between 73 and 78MHz. Features: Base station antenna, Mono-band. Low-gain, Omnidirectional. Protection from static discharges DC-Ground. Made of aluminium alloy 6063 T-832. Electrical Features: Type: 3/4λ coaxial J-pole. Frequency range: CX 4-68: tune-able 68-73 MHz, CX 4-73: tune-able 73-78 MHz, CX 4-78: tune-able 78-83 MHz, CX 4-83: tune-able 83-88 MHz. Impedance: 50Ohm. 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 4-68: 1.7MHz @ 68MHz, CX 4-73: 2.0MHz - 73MHz, CX 4-78: 2.5MHz - 78MHz, CX 4-83: 2.5MHz - 83MHz. SWR:1.2. Max. Power (CW): 30°C: 500W. Mechanical Features: Materials: Aluminium, Brass, Stainless Steel, Nylon. Wind load / resistance: 97 N -150Km/h / 150Km/h. Wind surface: 0.08 m². Height (approx.): from 2700 to 3360mm. Weight (approx.): 1900g. Mounting mast: 35-42mm.

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