TECHNICAL SPECIFICATIONS

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Antenna type: 7 element directional antenna
Frequency range: 210-240 MHz or 300-330 MHz
Bandwidth: 30 MHz
Impedance: 50 ohms
Connectors: N type
Power rating: 100 watts max.
VSWR: < 1.5
Polarization: vertical or horizontal
Gain: 11 dBi (referred to half-wave dipole)
H plane: 54 degrees
V plane: 48 degrees
Front-to-back ratio: 14 dB min.
Lightning protection: all parts grounded
Max wind velocity: 120 mph (195 km/h)
Wind load: 45 Lbs 
Materials (external): Aluminum
Mounting:  2" max
Weight: 2 Lbs
Dimensions: 61"×27"×3" 

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This antenna is specifically designed for use with STL systems. With a 100° radiation angle it has high gain on a wide angle of coverage. Constructed of aluminum, it is light and easy to install. Packing dimensions are also very minimal.