Antenna VHF Base, Omnidirectional, Frequency range Tunable 140 - 175 MHz, Max Power 200 Watt (CW), Gain 3.8 dBd - 5.95 dBi.
Connector UHF-Female

 

Base station antenna, Omnidirectional 
Medium-gain, Mono-band 
Suitable for land and marine service 
Tunable by whip cutting 
Protection from static discharges DC-Ground 
Made of aluminium alloy 6063 T-832
Side mast mounting allowed by optional bracket FT-3

 

Type: 2x 5/8λ ground plane colinear
Frequency range: tunable 140...175 MHz
Impedance: 50Ω
Radiation (H-plane): 360° omnidirectional
Radiation (E-plane): beamwidth @ -3 dB = 30°
Radiation angle: 3.6° 
Polarization: linear vertical
Gain: 3.8 dBd - 5.95 dBi
Bandwidth @ SWR ≤2: see diagram
SWR @ res. freq.: see diagram
Max. Power (CW) @ 30°C: 200 Watts
Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
Connector: UHF-female, gold plated central pin

MECHANICAL DATA:
 Materials: Aluminium, Brass, Nylon
 Wind load / resistance: 46 N @ 150 Km/h / 120 Km/h
 Wind surface: 0.04 m²
 Height (approx.): 3060 mm
 Weight (approx.): 750 gr
 Radial length (approx.): 530 mm
 Mounting mast: Ø 25-30 mm