ASTRO XTS 2500 Model I 41
Helpful Tips
Antenna

Radio Operating Frequencies

The following antenna types are compatible with your radio:
Before installing the antenna,
make sure it matches your
radio’s operating frequency.
Antennas are frequency
sensitive and are color coded
according to their frequency
range. The color code indicator
is located in the center of the
antenna’s base.
Antenna Type
Approx.
Length Insulator
Color
Code
Frequency
Range
(MHz)
Antenna
Kit No.
in. mm
VHF whip 8 203 RED 136–174 NAD6563
VHF helical 7.6 193 YELLOW 136–150.8 NAD6566
VHF helical 7 178 BLACK 150.8–162 NAD6567
VHF helical 6.5 165 BLUE 162–174 NAD6568
UHF helical 3.3 83 RED 380–435 NAE6546
UHF helical 3.1 78 GREEN 435–470 NAE6547
UHF helical 2.8 71 BLACK 470–520 NAE6548
UHF whip,
wideband
5.2 133 GRAY 380–520 NAE6549
color