Combined VHF ATC GNSS Airborne Blade Antenna

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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)