Commander VHF base Station Antennas incorporate the design features of 9 MHz broadband
capability, improved lightning protection and true omnidirectional gain in excess of 5 dBd
Note: Below 150 MHz, rated gain is 4.8 dBd due to length constraints. Side mounting hardware
is available for the 620 to achieve special radiation patterns.
Features/Benefits
Fiberglass construction protects radiating elements in corrosive environments. DC grounded – affords lightning protection
Copper radiating elements minimize possibility of intermod generation
Technical Specifications
Frequency Band 25-299.9 MHz
Horizontal Pattern Omni Directional
Antenna Type Fiberglass Omni
Electrical Down Tilt Option Fixed
Gain, dBi (dBd) 7.4 (5.3)
Frequency Range, MHz 150.5 – 158.5
Connector Type N Female
Connector Location Bottom
Mounting Type Fixed
Electrical Down Tilt, deg 0
Orientation Upright
Mounting Hardware 346 Clamp Set
Rated Wind Speed, km/h (mph) 160 (100)
Gain (Omni), dBi (dBd) 7.39 (5.25)
VSWR < 1.6 : 1
Vertical Beamwidth, deg 18
Polarization Vertical
Maximum Power Input, W 500
Lightning Protection Direct Ground
3rd Order IMP @ 2 x 43 dBm, dBc -130
Impedance, Ohms 50
Overall Length, m (ft) 6.31 (20.7)
Element Housing Length, m (ft) 5.67 (18.6)
Mounting Pipe Diameter, m (in) 0.09 (3.5)
Support Pipe Length, m (ft) 0.86 (2.83)
Weight, kg (lb) 24.1 (53)
Radiating Element Material Copper
Element Housing Material Fiberglass
Support Pipe Material Aluminum Alloy
Max Wind Loading Area m2
(ft2
) 0.221 (2.38)
Survival Wind Speed, km/h (mph) 200 (125)
Bend Mom @ Rated Wind 1″ Below Top of Mt Pipe, N m (ft lbf) 1292 (953)
Wind Load – Side @ Rated Wind, N (lbf) 423 (95)
Shipping Weight, kg (lb) 34 (75)
Packing Dimensions, HxWxD mm (in) 6400 x 100 x 100 (251.96 X 3.94 X 3.94)
Packing Dimensions, HxWxD, m (ft) 6.4 x 0.1 x 0.1 (21 x 0.33 x 0.33)
Shipping Dimensions of Accessory, HxWxD, m (ft) Packed with Antenna
Shipping Mode Common Carrier
Notes
All information contained in this datasheet is subject to confirmation at time of ordering
COMMANDER Model 620-3AN REV: 1.0