Description
The model 02107A is a 27 MHz Roof Mount antenna covering the 27 MHz Citizens Radio Communications Band. The antenna is intended for vehicle Roof Mount applications and affords a low profile for applications where minimum height is desirable. The 02107A is rugged in construction, yet flexible enough to withstand the normal rigors of mobile use.

Applications
Ideally suited to mounting on a standard VHF base in vehicular applications.

Construction
The antenna is constructed in black Shrink Fit Tubing finish, with chromed brass fittings. The radiator is constructed of copper coated coiled spring hardened steel, ensuring maximum radiation efficiency. The antenna is designed to screw onto a standard VHF Roof Mount base. 

Specifications

Electrical
Model Frequency
MHz
Gain  (dB) Tuned
Bandwidth
Operating
VSWR
Input
Impedance
Vertical
Beamwidth
Horizontal
Beamwidth
02107A *26.905-27.495 -12.0* *590KHz *<2.0:1 *50 ohms (Nominal) *40 Deg *Omni
* Mounted in centre of roof
Mechanical
Model Construction Length  (m) Width
(m)
Weight
(kg)
Termination Projected
Area
Wind Loading
@160 KPH
02107A Copper Coated Radiators, Heat Shrink coated 0.36 N/A 0.11 5/16" 26tpi Female Thread Not Applicable Not Applicable

Radiation Patterns
 3 DB E Plane Beamwidth: 40 Deg
 Frequency: 27 MHz
 Gain: -12.0 dB (Referenced to 1/4 Wave)
[Dwg 432] [Rev 01]
 3 DB H Plane Beamwidth: Omni
 Frequency: 27 MHz
 Gain: -12.0 dB (Referenced to 1/4 Wave)  
[Dwg 433] [Rev 01]


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