Model HFM-230 2 - 30 MHz. 3 dBi Gain 
 

HF BROADBAND DIPOLE ANTENNA

Design Features: The HFM-230 Multi-wire Broad Band Folded Dipole Antenna offer optimum performance, fully automatic, low SWR operation over the entire HF band 230 MHz and suitable for transmitting, receiving or HF spectrum monitoring or surveillance. The HF 3 wire broadband dipole antenna propagates NVIS, local, medium or long distance communications. This HF broadband dipole antenna is ready to go right out of the box, no taps to change frequency, nothing to tune - ever! Designed for the military and built to last. The HFM-230 can work any frequency you want without going through a lot of knob twirling and measurements to get a good VSWR match - just set your frequency and go!

Constructions: The HF 3-wire broadband antenna is designed for broad band operation for fixed stations application. The radiating element of dipole is made of ultra corrosion resistant marine grade stainless steel to ensure the survivability in worst environment conditions. The HF 3-Wire broadband dipole antenna can be mounted either in an inverted V using a single mast, or in a standard dipole configuration (Horizontal Polarized) using two masts. The HF Broad Band Dipole Antenna provides optimum performance over complete HF band, eliminating the requirement of multiple antennas or an Antenna Tuning Unit, minimizing the cost and setup requirements.

Electrical Specifications:
Frequency Range2 - 30 MHz.
Gain3 dBi
BandwidthEntire Band
PolarizationHorizontal or Inverted
Input Impedance50 Ohms
Radiation PatternOmni-directional
VSWRBetter Than 1:2.5
Lightning ProtectionDirect Ground

Mechanical Specifications:
MaterialsStainless Steel
Wind Rating170 Km/Hr
Overall Length28 Meters
Shipping Length1.4 Meters
Dipole MaterialStainless Steel
Spreaders MaterialFRP Pipe
Insulator MaterialNylon
Recommended Mast Height9 Meters
Distance between Mast30 Meters
Gross Weight7 Kgs.

Environmental Specifications:
Operating Temperature(-)40 to +65 Degrees Celsius
Storage Temperature(-)50 to +75 Degrees Celsius
Humidity0 to 95% RH