sb3s/5 marine vhf antenna sirio

sb3s/5 marine vhf antenna sirio
Features: – Marine antenna, Mono-band
– Low-gain, Omnidirectional
– Designed to work without Ground Plane
– Protection from static discharges DC-Ground
– Perfect protection against the worst weather conditions
– Provided with stainless steel bracket for an easy installation on mast top
– Stainless steel hardware
– High quality whip made of brass and copper protected by fiberglass tube
– SB 3 S Supplied with white coaxial cable RG-58 C/U directly connected

Electrical Data
– Type: 3/4 ? J-pole
– Frequency range SWR =2:
SB 3 S/…: 155.5 – 160.5 MHz
– Impedance: 50O
– Radiation (H-plane): 360° omnidirectional
– Radiation (E-plane): beamwidth -3 dB = 39
– Radiation angle deg.: 21
– Polarization: linear vertical
– Gain: 2 dBd – 4.15 dBi
– Max. Power (CW) 30°C: 100 Watts
– Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short
– Cable length / Type:
SB 3 S/…: 5, 18 or 25 m / white RG 58
– Connector:
SB 3 S/…: not supplied

Mechanical Data
– Materials: Fiberglass, Nylon, Chromed brass
– Height (approx.): 1465 mm
– Weight (approx.):
SB 3 S/5: 485 gr