HDMO Rail Master Omni Antenna

217-223 MHz HDMO217-223 (1Y09550)

The HDMO217-223 antenna is designed to be used in commercial, military and other applications where reliability is needed most. This antenna works with all radios within the 217-223 MHz band.

The antenna is designed to provide maximum Data, Video & Voice performance in a wide range of applications.

The antenna is provided with state-of-the-art radiating elements essential for maximum reliability and superior performance.

Robust and tough, this antenna is housed in a thick UV stable radome and is constructed from corrosion resistant materials for reliability in the harshest environments.


  • Low VSWR
  • Shock & Vibration: EN 61373, MILSTD-810, IEEE 1478
  • Ingress Protection: IP67


  •  Frequency Range: 217-223 MHz
  •  Gain: > Unity Typical
  •  VSWR: < 2.0:1 Typical
  •  Input Impedance: 50 Ω Nominal
  •  Power: 100 Watts Max
  •  Polarization: Vertical Linear
  •  Input Connector: NMO


  •  Overall Height: 4.5 in. (114 mm)
  •  Diameter: 2.6 in. (66 mm) OD
  •  Net Weight: 1 lb. (0.45 kg)
  •  Operational Temps: -40° to +185°F (-40° to +85°C)
  •  Color: Black/Green/Tan/Grey
  •  Mounting: NMO