• Specifications
  • Overview

AT 40 HF Antenna Tuner


Frequency Range3 MHz - 30 MHz
VSWR1.5:1 (Typ); 2.0:1 (Max)
Input Impedence50 Ohms Nominal
Tuning Time<4 seconds (Average) initial acquisition tune time for a new frequency; ≤ 10ms for pre-tuned frequency
Power Rating100 W (Max)
Power Supply28 ± 4 Volts
Control Signal/ InterfaceRS 485
Type of antenna7-15M aerial wire/ whip
BITE PortMonitor at Module level


Weight6.7 Kg (max)
Dimensions127±1 X 234±1 X 346±1 mm
ConnectorN Type (F); TNC (F); D38999/26-W-C-35P 22 Pin circular (Data); MS3102A10SL-4P Circular (28 V DC)


Temperature-40°C to +70°C
Altitude55,000 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.

You may also post product customization requests by logging in to the customer section. Alternatively, please feel free to contact us at sales@verdanttelemetry.com if you were unable to find the necessary product details.

VERDANT AT 40 is a fast switching, ECCM compatible, solid state pin diode switched equipment that matches the impedance of the antenna to the 50-Ohm output of the transmitter. The ATU is mounted near the HF antenna to maximize transmission efficiency. It is suitable for subsonic aircrafts and helicopters.



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