Sirio SB 3M VHF 156-163MHz Marineantenne 150cm

FEATURES, FUNCTIONS AND SPECIFICATIONS:

Features:
• Marine antenna, Mono-band
• Omnidirectional
• SB 3 M Low-gain, SB 6 M Medium-gain
• Designed to work without Ground Plane
• Protection from static discharges DC-Ground
• Chrome-plated brass ferrule
• Stainless steel hardware
• High quality whip made of brass and copper protected by fiberglass tube
• Supplied with white coaxial cable RG-58 C/U directly connected
• Wide range of optional mounting bases

P/N 2300820.83 SB 3 M
P/N 2300920.84 SB 6 M

Electrical Data
• Type:
SB 3 M: 3/4 λ J-pole
SB 6 M: 2 x 1/2 λ coliner
• Frequency range:
TX band: 156-157.425 MHz @ SWR ≤ 1.5
RX band: 156-162 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane):
SB 3 M: beamwidth @ -3 dB = 39°
SB 6 M: beamwidth @ -3 dB = 44°
• Radiation anlge deg.:
SB 3 M: 21°
SB 6 M: 8°
• Polarization: vertical
• Gain:
SB 3 M: 2 dBd, 4.15 dBi
SB 6 M: 3.8 dBd, 6 dBi
• Max. power: 100 Watts
• Grounding Protection: All metal parts are DC-grounded, the inner conductor shows a DC short
• Standard mount:
SB 3 M: M-8 NY
SB 6 M: M-3 OT
• Cable length / Type:
SB 3 M: 5 m / white RG 58
SB 6 M: 7 m / white RG 58

Mechanical Data
• Materials: Glass fibre, Nylon, Chromed brass
• Height (approx.):
SB 3 M: 1480 mm
SB 6 M: 2600 mm
• Weight (approx.):
SB 3 M: 750 gr
SB 6 M: 1700 gr