RFD-OSJ270, Dual Band UHF/VHF Open Sleeve J-pole Antenna.

Bands/Frequency

2M & 70 cm/ 144-148 MHz & 440-450 MHz 

Gain( 2 Metre AGL)

4.35 dBi at 146 MHz and 6.84 dBi at 446 MHz 

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 

1.4m 

No. Of Elements 

3 

Mounting Mast Diameter

1.5 Inch to 2 Inch

Longest Element length

1.4

Tapered Elements

Connector

SO-239 

Turning Radius

NA

Wind speed Survival

175 Km/h

Antenna Weight

0.8 kg 

Shipping Box Dimension

1 m

Material used

Aluminum 6063 and SS-304