• Specifications
  • Overview

VHF Blade Antenna


Frequency Range100 MHz- 250 MHz
Radiation PatternOmnidirectional in azimuth
Phase Tracking4° deviation at any frequency
Static ProtectionDC Grounded
Power RF20 W CW


Weight1400 grams (Max)
Height300 mm (Max)
MaterialGlass Epoxy
FinishMatt Black
ConnectorN Type Female


Temperature-55º C to +90º C
Altitude60,000 feet
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JH 311 N1B is an Airborne Very High Frequency (VHF) phase matched blade antenna designed to be used as DF arrays with DF systems and  with airport systems. These antennas are designed as low drag blade antennas suited for fixed wing air crafts, helicopters and UAVs. The fiber reinforced single piece epoxy antenna shell is designed to meet the stringent MIL requirements. The unique electrical design of the antenna ensures superior phase matching across the band. These antennas can also be individually used with communication systems and offer excellent omni-directional coverage.

Tests in accordance with MIL 810 F



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