UHF Antenna

225-400 MHz – TDMP225-400 (1Y45100)


The TDMP225-400 antenna was designed for mast mounting or suspension mounted for tactical deployment without a mast. The antenna features foldable ground radials for easy storage.



  • Collapsible System
  • Setup/Tear Down < 30 Seconds
  • Integrated Ground Plane
  •  No Tools Required


Electrical Specifications

 Frequency: 225-400 MHz

Polarization: Vertical

Impedance: 50Ω Nominal

VSWR: < 2:1

Gain: 2.5 dBi Typical

Radiation Pattern: Azimuth 360°

                              Elevation 70°

Power: 25 Watts

Connector: TNC Male Rotating


Mechanical Specifications

Design: Monopole

Height: 26 inches

Radome: Fiberglass

Weight: 4.5 lbs

Mount: Mast

Color: Black or Olive Drab