Description
The 02631 antenna series are ground Independent, 3.0 dB Gain, mobile antenna covering the UHF Commercial Radio Bands. Its ground independence maintains a stable radiation pattern in all mobile mounting applications. Its robust construction ensures excellent longevity and performance. Ideal for mounting in applications where ground plane area is non-existent or severely reduced.

Applications
Mobile coverage for the UHF Commercial Radio Bands.

Construction

Specifications
Electrical
 Model    Frequency 
MHz		  *Gain  (dB) Tuned
Bandwidth		 Operating
VSWR		 Input
Impedance		 #Vertical
Beamwidth		 Horizontal
Beamwidth
02631Q 380 - 400 3.0 20 MHz

  <1.5:1

 50 ohms
(Nominal)		 50 Deg Omni
02631R 410 - 430 3.0 20 MHz 50 Deg Omni
02631T 400 - 420 3.0 20 MHz 50 Deg  Omni
02631V 450 - 470 3.0 30 MHz 50 Deg Omni
02631X 470 - 490 3.0 30 MHz 50 Deg Omni
02631Y 490 -520 3.0 30 MHz 50 Deg Omni
* Gain over 1/4 Wave mounted on ground plane.        #When used as Ground Independent Unit.
Mechanical
Model Construction #Length  (m) Width
(m)		 #Weight
(kg)		 Termination Projected
Area		 Wind Loading
@160 KPH
02631
Series		 S/Steel, Brass & Delrin Base Section 0.24 0.019 0.300 RG58 Cable Tail #N/A #N/A
Low Gain S/Steel whip top. 0.413 0.0025 0.090 #N/A #N/A #N/A

 # Maximum at 400 - 420 MHz Band.

VSWR

Radiation Patterns

 3 DB E Plane Beamwidth: 50 Deg
 Frequency: 400 - 520 MHz
 Gain: *3.0 dB (Gain over 1/4 Wave antenna mounted on ground Plane) [Dwg 579] [Rev -] 

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