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NI70 DME / ATC Transponder Antennas

The antenna provides omnidirectional, vertically polarized coverage when installed on the top, or bottom, of an aircraft. Its streamlined shape assures minimum aerodynamic drag. Structurally, the antenna consists of a single metal element.

The NI70 Antenna Specifications

Electrical
Frequency range 960 – 1220 MHz
VSWR
  960 – 1220 MHz
  1000 – 1100 MHz
 
Less than 1.7:1
Less than 1.5:1
Gain Equivalent to a quarter wave stub
Impedance 50 ohms
Polarization Vertical
Radiation patterns Omnidirectional
dc resistance Open circuited
Power handling 2 kW peak
Mechanical
Connector
  NI70-1, NI70-3
  NI70-2

Type C Female
Type BNC Female
Weight 0.25 lbs
Finish White
Environmental
Drag, sea level at 250 mph 0.5 lbs
TSO C66a ENV. CAT. JAJXXXXx
TSO C74b ENV. CAT. JAJXXXX
CAT. II

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