3131

Direttiva 1 elem UHF

Features:
Base station antenna, Directional
Wide band, Medium-gain
Highly symmetrical radiation pattern in both planes (E and H)
Protection from static discharges DC-ground
Made of anodized aluminium alloy
Stacked and bayed array for more gain
P/N 2113301/380
 
Electrical Data
Type: Half wave dipole
Frequency range: 380-470 MHz (TETRA system, PMR/PAMR systems)
Impedance: 50Ω unbalanced
Radiation (H-plane): beamwidth at -3 dB = 200° at center freq.
Radiation (E-plane): beamwidth at -3 dB = 68° at center freq.
Radiation angle: 0°
Front to back ratio: ≥ 8 dB
Polarization: linear vertical
Gain: 4.5 dBi
SWR in bandwidth: ≤ 1.5:1
Max. power: 150 Watts (CW) at 30° C
Feed system / position: RG303 teflon coax with balun / inside boom
Connector: N-female with rubber protection cap
   
Mechanical Data
Materials: Anodized 6063-T5 Aluminium, EPDM rubber, thermoplastic UV stabilized, Chromed brass
Wind load / resistance: 48 N at 150 Km/h / 200 Km/h
Wind surface: 0.033 m²
Dimensions (approx.): 380 x 340 mm
Weight (approx.): 950 gr
Tourning radius: 240 mm
Operating temperature: -40° C to +60° C
Mounting mast: Ø 35-52 mm