AD-40/07-3T: 3-element YAGI antenna, 380 - 420 MHz

The antenna AD-40/07-3T is 3-element yagi antenna, primarily intended for use on TETRA frequency range from 380 to 420 MHz. The antenna is directional with 5 dBd gain. The radiator is made of folded dipole enables constant characteristics on whole frequency band. The elements are made of aluminum alloy rod with 10 mm diameter and inserted into aluminum square tube boom 20 x 20 mm. The mounting adapter is on back side of the boom enables using vertical or horizontal polarization as well. All joint elements are made of stainless steel and matching unit is built in plastic protective housing enable reliable work even in hardest climatic conditions. All metal parts are DC grounded.

Technical specification

Frequency range 380 - 420 MHz
Impedance 50 ohm
VSWR < 1.8
Gain 5 dBd
Front to back ratio > 15 dB
Polarization VER./HOR.
Max. power 100 W CW
Connector 1.5 m RG-213 + N female
Width 38 cm
Lenght 50 cm
Mass of antenna 1.5 kg

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