• Specifications
  • Overview

VHF Top-Loaded Blade Antenna


Frequency Range135 MHz - 175 MHz
VSWR3.5:1 (max)
PolarizationVertical (When mounted vertically)
Radiation PatternOmnidirectional in azimuth
Impedance RF50 Ω Nominal
Static ProtectionDC Grounded
Power RF35 W


Weight390 grams (max)
Height126 mm (max)
MaterialGlass Epoxy
ConnectorTNC Female


Temperature-55°C to +90°C
Altitude50,000 feet
Note: The general datasheet for this product is available for download using the 'Download' link provided below. Please login to our customer section using the 'Login' link below for detailed information related to this product including gain, VSWR and other product related data.

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JH 135 is a low profile, light weight airborne vertical stub antenna designed to operate in the frequency band of 135 MHz to 175 MHz. The antenna is designed to be used on KAMOV-28 type helicopters of the Indian Navy. These are low profile, low drag stub antennas with excellent aerodynamic properties. The radiating element is encased in a single piece glass fibre reinforced epoxy shell capable of withstanding extreme environmental conditions. This antenna is qualified and suitable for helicopters and subsonic aircraft.


Tested as per MIL 810 D/E.



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