12-57-2

Low Height VHF Antenna

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Low Height VHF Antenna - 12-57-2

The 12-57 antenna is a low height VHF antenna designed to provide full communications over the frequency range 118 to 136 MHz in general subsonic airborne applications. A variant of the type 12-57 with the addition of a polyurethane leading edge strip is available, identified as type 12-57-2.

  • Low height
  • Polyurethane leading edge strip for durability

Specifications

  • Electrical Specs
  • Mechanical Specs
  • Standard Specs

Electrical Specs

Minimum Frequency
118
Maximum Frequency
136
Impedence
50
Return Loss VSWR
2.5:1 max
Gain
> -1 dBi average
Polarization
Vertical
Radiation Pattern Azimuth
Omnidirectional
Radiation Pattern Elevation
Peak Power Watts
Average Power Watts

Mechanical Specs

Full Dimensions LxWxH mm
Height Above Base Plate mm
Mass kg
0.92
Connector Type
N Female

Standard Specs

Altitude ft
50000
Continuous Operating Temperature Min - C
54
Continuous Operating Temperature Max C
71
Vibration
Lightning
Standards
14043 (2)

Get in touch

Chelton Limited, Marlow
The Chelton Centre
Fourth Avenue
Marlow
Buckinghamshire
SL7 1TF
United Kingdom
CAGE Code: U1907