L'antenne de base VHF la plus pratique, pas de réglage, trés bon rendement.
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
Electrical Data
• Type: 3/4λ coaxial J-pole
• Frequency range S.W.R. ≤ 1.5:1:
CX 140 U/N: 140-144 MHz
CX 144 U/N: 144-148 MHz
CX 148 U/N: 148-152 MHz
CX 152 U/N: 152-156 MHz
CX 156 U/N: 156-160 MHz
CX 160 U/N: 160-164 MHz
CX 164 U/N: 164-168 MHz
CX 168 U/N: 168-172 MHz
CX 172 U/N: 172-176 MHz
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 68°
• Radiation angle: 0°
• Polarization: vertical
• Gain: 2dBd - 4.15 dBi
• Bandwidth at S.W.R. 2:1:
CX 140, CX 144, CX 148: 6.9 MHz, 7.2 MHz, 7.5 MHz
CX 152, CX 156, CX 160: 7.7 MHz, 8.0 MHz, 8.3 MHz
CX 164, CX 168, CX 172: 8.3 MHz, 8.9 MHz, 9.2 MHz
• S.W.R. at res. freq.: ≤ 1.2:1
• Max. power: 250 Watts
• Feed system / position: gamma match / base
• Connector:
CX series U: UHF-female
CX series N: N-female
Mechanical Data
• Materials: Aluminium, Brass, Stainless Steel, Nylon
• Wind load / resistance: 51 N at 150 Km/h / 180 Km/h
• Wind surface: 0.04 m²
• Height (approx.):
CX 140, CX 144, CX 148: 1660mm, 1620mm, 1580mm
CX 152, CX 156, CX 160: 1535mm, 1500mm, 1460mm
CX 164, CX 168, CX 172: 1430mm, 1395mm, 1370mm
• Weight (approx.): 750 gr
• Mounting mast: Ø 35-42 mm