User's Manual

LRU User Manual Typical setups
1-7
Radio relay with REM
Typical performance of each relay cell (in Ground-Wave above flat
terrain):
- Range: 24 km, 60 Ch @ 2 ms, Real time.
- Range: 10 km, 240 Ch @ 2 ms, Real time.
The antenna of the REM and the antenna of the LRU attached to that
REM can be mounted on the same mast, but in that case a minimum
vertical separation of 30 metres (100 feet) should be provided. The rule
is to have at least 80 dB attenuation between the two antennas to allow
each system to work at its full sensitivity. The cavity filters for the
REMs are still required.
A REM upgrade may be required.
See CAUTION on
page 1-2
.
LRU
12 V
Unit
Transverse
to Central
Line or
REM
12 V
1
See
below
Battery
LRU
12 V
(Transverse cable)
Insert a
cavity filter for
Requirements:
- At least 300 m between antennas,
- At least 13 MHz frequency
separation.
bandpass
each REM
(case of multi-REM
setup) and one
more if Audio is
used with SU6-R
SU6R
SU6R
SU6R
1