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Radomes & External Antennas

This series of antennas have been designed from the ground up for long-term high-performance applications. The casing is UV stabilized and if securely fixed using just a single locking bolt.

This design provides a watertight seal, excellent performance and rugged physical characteristics for demanding long term applications.

These antennae have found popular use in many outdoor and mobile applications including for transport industry - the domed design has proven to be able to meet customers 5-10 year lifetime requirements.

The standard Radome antennae above are complemented by Duem's ability to custom design these antennae. Radome sizes vary from the small size CGS antenna shown, to much larger dome's able to cater for GSM/GPS/WLAN/TETRA/Bluetooth / and just about any other required antenna specification within the ONE radome design.

Specifications




  Frequency
380 - 400 MHz




Circular_Radome_Antennas
  Impedance
50 Ohms
  Bandwidth
10MHz 380 - 390 Mobile Tx optimized / 20 MHz 380 - 400 MHz Mobile Rx
  VSWR
1.5:1 380 - 390 MHz / 2.0:1 380 - 400 MHz
  Polarization
Vertical
  Gain
-4dBi Typically (low sensitivity typically - 10 dBi)
  Elevation Coverage
0 - 90°
  Azimuth Coverage
260°
  Mount
Single Nylon Hollow Stud Dia16mm
  Cable
1 x 300 mm RG174
  Connector
FME (f) + FME (m) colour coded
  Dimensions
111 mm dia x 35 mm
   


Frequency 150 to 210 MHz (exact frequency to order)






Bar_Type_Radome_Antenna
  Impedance 50 Ohms
  Bandwidth 8 - 12 MHz dependent on the center frequency (no on-site tuning required)
  VSWR <2.0:1 mobile TX
  Polarization Vertical
  Gain -3dBi Typically
  Elevation Coverage 0 - 90°
  Azimuth Coverage 360°
  Mount Dual nylon hollow stud 16mm diameter
  Cable 1 x 3 .05M rg58, Others by request
  Connector
Not terminated as standard, connectors by request
  Dimensions
346 x 80 x 76
  Description
346mm groundplane independent single / dual stud (no GPS), black or white
 
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