VHF Whip Antenna – 21-4

21-4 Datasheet

VHF Whip Antenna – 21-4

The 21-4 Series antennas are linearly polarised, monopole antennas with wide band frequency characteristics intended for general communication and homing applications. Being of semi-rigid form, it is suitable for external fitting upon helicopters and fixed wing aircraft with a performance up to 350 kts EAS, and other similar applications. The antenna can be installed by single hole fixing and allows orientation of the coaxial connector through 360°. The antenna can be mounted true or raked using the angled spacers provided.

  • ✔ General Purpose Whip Antenna
  • ✔ TNC and BNC options available
  • ✔ Straight or raked
  • ✔ Several bandwidth options available
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Specification

118 Minimum Frequency
137 Maximum Frequency
50 Impedence
2.5:1 max (raked configuration) Return Loss VSWR
≤ +2 dBi (avg) Gain
Vertical Polarization
Omnidirectional Radiation Pattern Azimuth
As per Stub Radiation Pattern Elevation
23 x 23 x 562 Full Dimensions LxWxH mm
0.14 Mass kg
BNC Female or TNC Female Connector Type
25000 Altitude ft
45 Continuous Operating Temperature Min - C
70 Continuous Operating Temperature Max C
DO-160C Section 8 Curve Y Vibration
DO-160 Standards
21-4 Datasheet