Sirio SB3M

155.5-160Mhz Fibreglass Marine Antenna

SKU: SIRIO SB3M Categories: , Feature: Brand: In stock

£59.95

Description

SB3M

Top quality marine antenna, the SB-3M is tuned to 155.5 - 160Mhz for transmit, and 156-162Mhz receiver range.

The SB-3M is a 3/4 wave J-Pole design which needs no ground plane, and is finished in white fibreglass and stainless steel hardware. Length is approx 1480mm.

The antenna is also supplied with 5m of good quality white co-axial cable.

  • Features:
  • Marine antenna, Mono-band
  • Omnidirectional
  • SB 3 M Low-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 fibreglass tube
  • Supplied with white coaxial cable RG-58 C/U directly connected
  • Wide range of optional mounting bases
  • Electrical Data
  • Type:
  • SB 3 M: 3/4 ? J-pole
  • Frequency range:
  • TX band:  SB 3M: 155.5 - 160 MHz @ SWR < 2
  • RX band: 156-162 MHz
  • Impedance: 50 Ohms
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane):
  • SB 3 M: beamwidth @ -3 dB = 39°
  • SB 6 M: beamwidth @ -3 dB = 44°
  • Radiation angle deg.:
  • SB 3 M: 21°
  • SB 6 M: 8°
  • Polarization: linear vertical
  • Gain:
  • SB 3 M: 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
  • Standard mount:
  • SB 3 M: "M-8" NY
  • Cable length / Type:
  • SB 3-M: 5m / white RG 58

    

  • Mechanical Data
  • Materials: Fibreglass, Nylon, Chromed brass
  • Height (approx.): SB 3 M: 1480 mm
  • Weight (approx.): SB 3 M: 750g
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