RFD-OS156, VHF Marine Band Open Sleeve J-pole Antenna.

Frequency

156-174 MHz 

Gain( 5 Meter AGL)

6.2 dBi

F/B

0

VSWR

Less than 1.5

Impedance

50 ohm

Power rating

Depends on the coax that is used 

Radiation Pattern

Omnidirectional 

Antenna Length 

1.23 m 

No. Of Elements 

3 

Mounting Mast Diameter

1.5 Inch to 2 Inch

Longest Element length

1.23

Tapered Elements

                     12 mm to 9.5 mm

Connector

SO-239 

Turning Radius

NA

Wind speed Survival

175 Km/h

Antenna Weight

0.750 kg 

Material used

Aluminum 6063 and SS-304