Sirio CX-4-83 4m Band Base Antenna

Sirio CX-4-83 4m Band Base Antenna

Ref: 32CX-4-83
Delivery: Free Delivery in UK Mainland
Band: 4 Meters
Frequency RX: 83 - 88 MHz

Price: £69.99

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Sirio CX-4-83 | 83 - 88 MHz 4m Band Base Antenna Antenna

The Sirio CX-4-83 is a 4m mono-band base station antenna. It has low-gain and this omnidirectional aerial is tunable from 83-88 MHz. 3/4 λ VHF antenna for base station service made of high quality materials to get the best performance and the maximun efficiency. It is completely manufactured with aluminium tubes and nylon for its great robustness.

It is supplied with a solid steel bracket for an easy and safe installation. Its Gamma Match feed makes it earthed for a perfect protection against the static discharges. Simple and strong, it is particularly recommended for a professional use.

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Main Features

Base station antenna, Mono-band
Low-gain, Omnidirectional
Factory tunable according to specific customer's frequency
Protection from static discharges DC-Ground
Made of aluminium alloy 6063 T-832
UP-GRADE: working frequency extended
P/N 2104601.00 CX 4-83

Electrical Data

Type: 3/4λ coaxial J-pole
Frequency range:

CX 4-83: 83 - 88 MHz tunable by diagram

Impedance: 50Ω unbalanced
Radiation (H-plane): 360° omnidirectional
Radiation (E-plane): beamwidth at -3 dB = 60°
Radiation angle: 3°
Polarization: vertical
Gain: 2dBd - 4.15 dBi
Bandwidth @ SWR 1.5:

CX 4-83: ≥ 2.5 MHz @ 83 MHz

SWR. @ res. freq.: ≤ 1.2
Max. power: 500 Watts
Feed system / position: gamma match / base
Connection: UHF-female

Mechanical Data

Materials: Aluminium, Brass, Stainless Steel, Nylon
Wind load / resistance: 97 N at 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