CUSHCRAFT - AR-270 - DUAL BAND RINGO VERTICAL ANTENNA - HIGH GAIN 3.7 dB 144-148 MHz / 5.5 dB 430-450 MHz

This model gives very high gain with a low angle of radiation and it is only 3.75 feet (1.13 m) high.
The AR270 is computer optimized and broadbanded for minimum SWR on both bands.
It is easy to assemble with its rugged aluminum tubing sections, a durable mast mount and factory sealed coils for best performance.

SPECIFICATIONS
Model AR-270
Frequency, MHz 144-148 430-450
VSWR 1.2:1 Typical
2:1 Bandwidth in MHz >4 >15
Gain, dB 3.7 /  5.5
Power Rating, Watts FM 250 250
Horizontal Radiation Pattern, Degrees 360 360
Height, ft (m) 3.75 (1.13)
Mast Size Range, in (cm) 1.25-2.0 (3.2-5.1)
Radial Length, in (cm) 6.75 (17.1)
Wind Load, ft2 (m2) 0.27 (0.03)
Weight, lb (kg) 2 (0,9)