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Low Profile JTRS Antenna

30 to 512 MHz

SKU: 20-50-16

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Low Profile JTRS Antenna

 The 20-50-16 is a high performance wide band multi-element antenna intended for use with a Joint Tactical Radio System (JTRS) operating within the frequency band 30-512 MHz.

The antenna comprises a CECOM plate mounted parasitically excited UHF sleeved monopole co -linearly stacked with a VHF whip element. Decoupling techniques are employed to minimize unwanted interaction between elements and thus maintain optimum radiation patterns throughout the entire frequency band.

Construction comprises high integrity aluminum alloy mast with detachable top VHF element and integral matching circuits. The whole assembly is foam filled to provide maximum strength and prevent the ingress of moisture. 

  • Covers all operating portions of 30 - 512 MHz JTRS frequency band
  • Efficient decoupling circuits maintain radiation pattern throughout frequency band
  • CECOM mounted construction for base station or mobile applications.
  • No tuning required
  • Just 41 inches overall height
  • Meets MIL-STD-810 environment
  • 100 Watts power handling
  • Excellent gain maintained by passive impedance matching throughout frequency band
  • Detachable top element for stowage
20-50-16
Model # 20-50-16
Brand Cooper Antennas
Frequency 30-512 MHz
Gain (typical)

30-88 MHz -13 dBi to -6 dBi

118-174 MHz -4 dBi average

225-512 MHz 0 dBi average 

VSWR

30-88 MHz ≤ 2.5:1

118-174 MHz ≤ 3.0:1

225-490 MHz ≤ 2.5:1

491-512 MHz ≤ 3.0:1 

Impedance (nominal)  50 Ohms
Power 100 Watts CW
Polarization Linear (vertical when vertically mounted)
Antenna RF Connector BNC Female
Height 41 inches (1041 mm)
Fixings CECOM pattern base with four 7/16 inch (11.1mm) dia. Holes on a 4.5 inch (114mm) circle 
Weight (approx.) 5lbs (2.27kg) 
Operational Temperature -40°C to +71°C 

Finish

  • Antenna - Desert Tan
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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