2
Symbols used in this manual
and relative meaning
l
WARNING!
Indicates particularly important infor-
mation.
a
DANGER!
Identifies actions that may lead to
injury or damage to the device if not
performed correctly.
d
PROHIBITED
Indicates actions that MUST NOT be
performed.
Compliance
Maddalena S.p.A. states that the wM-Bus
868 USB Key complies with the essential re-
quirements of the following directives and
standards:
– Directive 2014/53/EU (RED - Radio Equip-
ment Directive)
– Directive (EU) 2017/2102 (RoHS2)
The full declaration of EU compliance
is available from the following website:
www.maddalena.it.
Warranty
Conditions of sale and warranty
The conditions of sale and warranty are avail-
able on the website
www.maddalena.it.
Warranty limitations
Maddalena S.p.A. declines all responsibili-
ty, with immediate invalidation of the war-
ranty in relation to:
– Damage or defects caused by transport or
loading/unloading
– Incorrect installation caused by a failure
to observe the instructions provided
– Use for purposes other than those indi-
cated in this manual
– Use by unqualified or untrained personnel
Contents
1 Introduction
1.1 Description
The
wM-Bus 868 USB Key radio module
is a radio transceiver in the ISM 868 MHz
band designed to communicate with the
Maddalena wM-Bus radio modules.
wM-Bus 868 USB Key is equipped with a
USB-A type connector, used both as a pow-
er source and to send and receive data from
a PC / Tablet.
The front-end radio has a built-in anten-
na, making
wM-Bus 868 USB Key ideal for
walk-by reading operations for submeter-
ing, where compactness and portability are
key features.
The USB radio module sends and receives
data via the USB port using a specific pro-
tocol and has been designed to be coupled
with
Maddalena reading and configuration
software on both Windows and Android op-
erating systems.
1 Introduction . . . . . . . . . . . . . . . . . . . . . .2
1.1 Description ................................... 2
1.2 Label ............................................. 3
1.3 Contents of the package ............ 3
1.4 Technical specifications .............. 3
2 First start-up . . . . . . . . . . . . . . . . . . . . . .3
