Directional VHF antenna ZZ203

ZZ203 is a directional antenna designed for the band 150-175 MHz. The antenna is welded from
aluminum alloy and protected by varnish. The gain is 4 dBd, which corresponds to 6.15 dBi. Lightning protection is provided by a galvanic connection.  The coaxial cable is connected using an N-type connector.  ZZ203 is resistant to icing and wind up to 150 km / h.  Antennas are durable, reliable and used in hundreds of applications.  

Základnová směrová anténa ZZ203

Antenna ZZ203 technical parameters


Frequency band (MHz) 150-174
Gain (dBd) 4
Radiation angle in the H – plane 120 °
Radiation angle in the E – plane 70 °
Anteroposterior ratio 18 dB
Standing wave voltage factor <1,5
Nominal impedance 50 Ohm
Polarization vertical
Maximum performance 1000 W
Dimensions 920 x 1500 x 80 mm
Connector N
Weight2.3 2.3 kg
Wind resistance 150 km / h

Radiation diagrams of antenna ZZ203

Vyzařovací diagram antény ZZ203

Vyzařovací diagram antény ZZ203 v rovině E

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