Excellent gain 2m 144-146 MHz and 430 – 440 MHz 70cm antenna. Wide band dual-band antenna.

 

 

Dipole, balun and connector view:

 

Easy to mount and dismount:

 

 

All elements marked:

 

 

Electrical Specifications 2 meter
Frequency Range:	144 – 146 MHz
Free Space Forward Gain:	6.8 dBi
Front to Back Ratio:	17 dB
Polarization:	Horizontal
Nominal Input Impedance:	50 Ohms
SWR Across Entire Band:	< 1.2
Maximum Power Input:	100 W
Matching Method:	Direct feed through RG316 teflon common mode choke (current balun)
Connector:	“N” (Common connector for both bands)
Mechanical Specifications 2 meter
Boom Length:	0.9 m
Boom Size:	12 x 18 mm
Number of Boom Pieces:	1
Element Diameter:	4 mm Aluminum rod
Dipole Diameter:	8 mm hard Copper tube
Number of elements:	3
Longest element:	1.03 m
Element Mounting Position:	Below the Boom.
Mounting Mast Diameter:	30 – 50 mm 1-1/4 – 2″ OD
Survival Wind Speed:	120 km/h
Transportation Length:	1 m
Antenna Weight:	0.85 kg
Electrical Specifications 70 cm
Frequency Range:	430 – 440 MHz
Free Space Forward Gain:	11.3 dBi
Front to Back Ratio:	20 dB
Polarization:	Horizontal
Nominal Input Impedance:	50 Ohms
SWR Across Entire Band:	< 1.2
Maximum Power Input:	50 W
Matching Method:	Direct feed through RG316 teflon common mode choke (current balun)
Connector:	“N” (Common connector for both bands)
Mechanical Specifications 70 cm
Element Diameter:	4 mm Aluminum rod
Number of elements:	6
Longest element:	0.35 m
Element Mounting Position:	Below the Boom.

All 2 meter / 70 cm antennas: 2m/70cm antennas