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 2104501.00 CX 4-78

Electrical Data
• Type: 3/4λ coaxial J-pole
• Frequency range:
CX 4-78: 78...83 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 4-78: ≥ 2.5 MHz @ 78 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