Trango
Systems,
Inc
TL45
User
Manual
Rev
2.0r3
LT
‐
9037A
August
15,
2011
Page
9
ARQ
Another
key
advantage
of
the
TrangoLINK
‐
45
platform
is
its
Automatic
Repeat
Request
(ARQ)
transmission
correction
scheme.
The
ARQ
algorithm
detects
packet
loss
due
to
fading
and
interference
conditions
and
requests
the
remote
radio
to
re
‐
transmit
specific
packets.
Dual
Polarity
Antenna
TrangoLINK
‐
45
radios
feature
built
‐
in
dual
polarity
antenna
functionality.
Users
may
select
either
horizontal
or
vertical
antenna
polarity
through
the
unit’s
software.
The
feature
of
selecting
antenna
polarity
provides
greater
spectral
flexibility
and
ability
to
mitigate
interference.