1
Cable Real
1
Trunk Group Multiplexer
Technical Characteristics
Power Requirements ........... 115 VAC, 50-60 Hz, or 28 VDC
Frequency Range .............. 225 to 400 MHz or 1350 to 1850
MHz (LOS); 14.50 to 15.35 GHz
(down the hill (DTH))
Transmission Range ........... 30 km (LOS); 2 to 5 km (DTH)
Type Modulation Data ......... Frequency Shift Keying (FSK)
(3) The Radio Access Unit AN/TRC-191 is an automatic interface
between the mobile subscriber and the network. It consists of an S-
250 shelter transported by an HMMWV M-1037.
It has a capacity of
eight simultaneous calls via the eight radios that are elements of
the assemblage.
While the RAU does not include any switching
elements itself, it interfaces to the NC switch of the MSE system
using LOS or cable links.
Power is from a 5 kw generator set
P-751/M.
Major Components
1
Shelter S-250
1
Electronic Transfer Device KYK-13
1
Radio Frequency Fill Device
1
Group Logic Unit
1
Antenna Coupler
8
Radio Transceivers RT-1539
1
Loop Group Multiplexer TD-1235
1
Trunk Encryption Device KG-94
1
Group Modem MD-1026
1
Orderwire Control Unit
1
VINSON COMSEC Equipment KY-57
1
Transition Unit
1
1
Antenna Mast Mounted
1
Vehicular Antenna
1
DSVT KY-68
1
Antenna Mast
Technical Characteristics
Power Requirements ........... 115 VAC, 50-60Hz, or 28 VDC
Frequency Range .............. 30 to 35 MHz (low band
continental United States
(CONUS))
1-57
SS0016
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