Sirio SB3M 3 4 Wave VHF Antenna

Categories

Ham Radio News...

Information

Home > Antennas > Marine Antenna >

Sirio SB3M 3/4 Wave VHF Antenna

This is the Sirio SB3M 3/4 Wave Marine Boat, RIB, Yacht VHF Antenna.

Brand new, of excellent quality and with features such as adjustable rake angle, 5m white RG58 coaxial cable supplied.

• 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

P/N 2300820.83 SB 3 M

Electrical Data
•	Type: SB 3 M: 3/4 ë J-pole SB 6 M: 3/4 ë + 1/2 ë coliner J-pole
•	Frequency range at V.S.W.R. ≤ 2:1: SB 3 M: 155.5-160 MHz
•	Impedance: 50Ù unbalanced
•	Radiation (H-plane): 360° omnidirectional
•	Radiation (E-plane): SB 3 M: beam width at -3 dB = 39°
•	Radiation angle deg.: SB 3 M: 21°
•	Polarization: vertical
•	Gain: SB 3 M: 2 dBd, 4.15 dBi
•	Bandwidth at V.S.W.R. 2:1: SB 3 M: 4.5 MHz
•	V.S.W.R. at res. freq.: SB 3 M: ≤ 1.4:1
•	Max. power: 100 Watts
•	Feed system / Position: 1/4 ë Parallel line stub / base
•	Cable length / Type: SB 3 M: 5 m / white RG 58
•	Standard mount: SB 3 M: 'M-8' NY

Mechanical Data
•	Materials: Glass fibre, Nylon, Chromed brass
•	Height (approx.): SB 3 M: 1480 mm
•	Weight (approx.): SB 3 M: 750 gr Rocket Radio are licensed by Ofcom to supply and service Maritime Radios and equipment.

Our Price: £59.99

« Back

Use keywords to find the product you are looking for.

TETRA Airwave Earpieces