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Combined VHF ATC GNSS Airborne Blade Antenna

118 to 137 MHz & GPS/Galileo

SKU: 21-50-110-2

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Combined VHF ATC GNSS Airborne Blade Antenna

The 21-50-110-2 is a combination, vertically polarized VHF communications and circularly polarized active GNSS antenna suitable for mounting on the upper surfaces of helicopters and sub sonic fixed wing aircraft.

Designed as a short, top loaded monopole for VHF communications and having a top mounted patch antenna with integral low noise amplifier (LNA) for GNSS, this antenna has separate decoupled feeds to allow for simultaneous operation of both systems.

Mechanical construction uses a glass reinforced thermoplastic shell with foamed-in-place internal elements. N-type (VHF) and TNC (GNSS) connectors are fitted to the aluminum base plate which is DC grounded for p-static protection. Power for the LNA is fed via the GNSS coaxial cable. 

  • Covers GPS and Galileo frequencies
  • Integral Low Noise Amplifier (LNA)
  • Efficient VHF ATC antenna
  • Light weight, low profile
  • Designed to MIL-STD-810 environmental requirements for helicopter and subsonic transport aircraft. 
21-50-110-2
Model # 21-50-110-2
Brand Cooper Antennas
Frequency

118-137 MHz VHF

1164.45-1239.60 L5/L2 GP; E5 Galileo

1266.75-1290.75 E6 Galileo

1558.42-1592.42 L1 GPS; E1,E2 Galileo

Gain (typical) antenna

+1 dBi VHF average over band

+4.3 dBiC GPS L1 1.4 dBiC

- 2.5 dBiC Galileo and GPS L2/L5

VSWR

2.5:1 VHF

1.5:1 GNSS (Antenna) 

Impedance (nominal) 50 Ohms
Power

50 Watts (VHF) 

Polarization

Vertical (VHF)

Right Hand Circular (GNSS) 

Gain LNA 

44 ± 2 dB

Antenna RF Connector

N Type Female (VHF)

TNC Female (GNSS) 

Height 11 inches (279mm) 
Weight 3 lbs (1.36Kg) max 

Finish

  • Antenna - Urethane Lusterless Black
  • Other finish options are available.
  • Please specify finish required when ordering.

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Datasheet:

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