FLEXCOMM
II
C-5000 (Non-Digital)
Installation Manual
150-1355-000 Rev. M
CONFIDENTIAL AND PROPRIETARY TO COBHAM
Page 34
(7) AT-140 Antenna
(a) Frequency:
29.7 - 400 MHz
(b) VSWR:
2.5: 1 at 30-88 MHz
5.0: 1 at 108-117 MHz
2.5: 1 at 118-174 MHz
2.0: 1 at 225-400 MHz
(c) Radiation Pattern: Omnidirectional in azimuth
(d) Polarization:
Vertical
(e) Impedance:
50 ohms
(f) Power:
50 Watts
(g) Gain:
30 MHz
-22.5 dBi
88 MHz
-10 dBi
108 - 174 MHz -2 dBi
225 - 400 MHz +2 dBi
(h) Temperature:
-54
C to + 71
C operating
-62
C to + 85
C non-operating
(i) Altitude:
50,000 ft
(8) AT-400 Antenna.
(a) Frequency:
400 - 960 MHz
(b) VSWR:
2.0: 1 maximum
(c) Radiation Pattern: Typical of
/4 stub
(d) Polarization:
Vertical
(e) Impedance:
50 ohms
(f) RF Power:
100 Watts
(g) Efficiency:
90% min. 400 - 960 MHz
(h) Temperature:
-55
C to +70
C
(i) Altitude:
50,000 ft
