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

21-38 Series Datasheet

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
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Specification

108 Minimum Frequency
137 Maximum Frequency
50 Impedence
2.5:1 (Maximum) Return Loss VSWR
0 dBi min Gain
Vertical Polarization
Omnidirectional Radiation Pattern Azimuth
20 Average Power Watts
408 x 89 x 211 Full Dimensions LxWxH mm
211 Height Above Base Plate mm
0.8 Mass kg
BNC Female, TNC Female Connector Type
55000 Altitude ft
55 Continuous Operating Temperature Min - C
70 Continuous Operating Temperature Max C
RTCA DO-160C, Section 8, Categories C, J, L and M combined, Y Vibration
DO-160 Standards
21-38 Series Datasheet