User's Manual

Wi-linktech Communication Technologies (Shanghai) Co.,Ltd.
5.1 Module dimension
Figure 5-2 Top View (Seen from Top) Bottom View (Seen from Bottom)
Table 5-1 module design size
Module dimension
Length (X) 11.20±0.15 mm
Width (Y) 16.00±0.15 mm
Antenna position size
Length (X) 11.20 mm
Width (Y) 4.34 mm
The thickness of the PCB
Height (H)
0.80±0.05 mm
Total module thickness (PCB thickness +
highest component height)
Height (H)
2.00 mm of typical
Note: Wi-linktech reserves the right to select components from different suppliers to achieve module functions.
All mechanical and electrical specifications and module certifications are maintained. The design shall be carried
out within the mechanical physical dimensions shown in FIG. 5-2.All dimensions are in millimeters (mm).
5.2 Matters needing attention
Bluetooth working at 2.4GHz frequency, should try to avoid the impact of
various factors on wireless transceiver, pay attention to the following points:
 Avoid using metal in the product shell that surrounds the module. If the shell is metal,
consider using an external antenna.
 Metal screws inside the product should be away from the RF part of the module.
2019.03
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