21-38-1RF/36

Low Profile VHF Blade Antenna

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21 38 1RF 36

Low Profile VHF Blade Antenna - 21-38-1RF/36

The 21-38 Series antennas are low profile blade antennas for general airborne application. The series covers a variety of frequency bandwidth requirements in the upper VHF band. Note that certain types are available for use in communications or homing applications. If for homing use they are supplied as matched pairs in which case a common serial number is suffixed by the letter A or B. The -1RF variant operates over the band 118-137MHz with a gain of 0dBi. RF/XX has a baseplate radius of curvature of XX in inches.

  • Low Profile
  • General Purpose
  • Wide number of bandwidths options
  • Designed to meet TSO C37d and C38d

Specifications

  • Electrical Specs
  • Mechanical Specs
  • Standard Specs

Electrical Specs

Minimum Frequency
108
Maximum Frequency
137
Impedence
50
Return Loss VSWR
2.5:1 (Maximum)
Gain
0 dBi min
Polarization
Vertical
Radiation Pattern Azimuth
Omnidirectional
Radiation Pattern Elevation
Peak Power Watts
Average Power Watts
20

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