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NI50 Antenna

The NI50 is currently in use on business, commercial and military aircraft. They have clear advantages over other current designs including:

  • Extremely high side load strength guards against breakage by ground handling gear.
  • Completely sealed construction prevents failure from moisture intrusion.
  • Lightning protection circuits prevent damage to antenna and safeguard electronic equipment.

NI50 Antennas, which replace the NI49 Antennas, are used with all standard L-band equipment because of their broad bandwidth of 960 to 1,220 megahertz. Models of the NI50 Antenna are directly interchangeable with virtually all L-band blade and flush mounting antennas currently in service on commercial and military aircraft.

NI50 Antenna Specifications

Download the NI50 Antenna Spec Sheet
Electrical
Frequency range 960 – 1220 MHz
VSWR 960 – 1220 less than 1.7:1
1000 – 1100 less than 1.5:1
Gain Average at horizon 0 dB
Impedance RF
DC
50 ohms
Short circuit
Polarization Vertical
Radiation patterns Hemispherical
Power handling 3 kW peak, 100 watts average
Mechanical
Connector Contact factory
Weight 4 oz.
Finish Contact factory
Environment
Aero drag Sea level, mach 0.5
Sea level, mach 0.8
2 oz.
4.5 oz.
Side load TSO C34c
ARINC (ATC transponder)
(DME)
532 E
521 D
FAA (ATC transponder)
(DME)
TSO-C74
TSO-C66a

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