Справочник Пользователя для ALPWISE BLEM003
ALPW-BLEM003
Bluetooth® Smart Embedded Module
Datasheet
ALPWISE S.A.S. – LE PULSAR, 4 Avenue Doyen Louis Weil, 38000 GRENOBLE, France
Tel: +33 4 76 22 02 24– Email: alpwisesales@alpwise.com –
Tel: +33 4 76 22 02 24– Email: alpwisesales@alpwise.com –
Revision 1.2
6
The typical range highly depends on the module
integration and the environment characteristics.
In free-space conditions, use the following graph
to determine the average path losses:
integration and the environment characteristics.
In free-space conditions, use the following graph
to determine the average path losses:
Figure7.: Free-Space Losses
4 Soldering recommendations
To avoid damaging the module components, the
following reflow profile should be observed.
following reflow profile should be observed.
Figure8.: Recommended reflow profile
5 Product Dimensions
5.1
External Dimensions
Figure9.: Product dimensions
5.2
Footprint
The LGA-43 footprint of the module is detailed
below.
below.
Figure10.: Module footprint (Top View)
The antenna keep-out zone above is the minimum
acceptable. The best recommended practice is to
place the module on the board corner and
implement the dotted-line clearance zone. Avoid
proximity with metallic objects.
acceptable. The best recommended practice is to
place the module on the board corner and
implement the dotted-line clearance zone. Avoid
proximity with metallic objects.
-80
-70
-60
-50
-40
-30
-20
-10
0
1
5
9
13
17
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25
29
33
37
41
45
49
Los
se
s
[dB
m
]
Distance [m]