D120
Series
DTU
User
Manual
E
‐
Lins
Technology
Co.,
Limited
Chapter
1
1
Prologue
This
document
is
just
suit
for
the
following
mode
type;
it
helps
you
quickly
to
used
D120
DTU
function
and
resolves
some
common
questions.
Type
Marks
D120
GPRS
DTU
1.1
Version
Version
Date
Description
Author
1.00
2009
‐
6
‐
28
Nearly
complete
Jason
1.2
Referenced
Documents
D120_DTU_Datasheet
1.3
Notice
E
‐
Lins
is
a
registered
trademark
of
Shenzhen
E
‐
Lins
Technology
Co.,
Ltd.
The
copyright
of
the
document
belongs
to
Shenzhen
E
‐
Lins
Technology
Co.,
Ltd.
Copying
of
this
document
and
modifying
it
and
the
use
or
communication
of
the
contents
thereof,
is
forbidden
without
express
authority.
Offenders
are
liable
to
the
legal
sanction.