21-38-4

Low Profile VHF Blade Antenna

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21 38 1RF 36

Low Profile VHF Blade Antenna - 21-38-4

The 21-38 Series antennas are low profile blade antennas for general airborne application. The series covers a variety of frequency bandwidth requirements. This variant is optimised for the band 137-174MHz to give an average gain of +1dBi over this band.

  • High Gain
  • Passive
  • General application
  • Designed to meet TSO C37d and C38d

Specifications

  • Electrical Specs
  • Mechanical Specs
  • Standard Specs

Electrical Specs

Minimum Frequency
137
Maximum Frequency
174
Impedence
50
Return Loss VSWR
2.5:1
Gain
+1dBi min
Polarization
Vertical
Radiation Pattern Azimuth
Omnidirectional
Radiation Pattern Elevation
Peak Power Watts
Average Power Watts
50

Mechanical Specs

Full Dimensions LxWxH mm
408 x 89 x 211
Height Above Base Plate mm
211
Mass kg
0.8
Connector Type
BNC Female, TNC Female

Standard Specs

Altitude ft
55000
Continuous Operating Temperature Min - C
55
Continuous Operating Temperature Max C
70
Vibration
RTCA DO-160C, Section 8, Categories C, J, L and M combined, Y
Lightning
Standards
DO-160
14043 (2)

Get in touch

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