Quectel BC68 Hardware Design

GSM/GPRS Module Series
M66 Hardware Design
M66_Hardware_Design Confidential / Released 60 / 80
The external antenna must be matched properly to achieve best performance, so the matching circuit is
necessary, the connection is recommended as in the following figure:
Module
BT_ANT
0R
NM NM
Figure 42: Reference Design for Bluetooth Antenna
There are some suggestions for placing components and RF trace lying for Bluetooth RF traces:
 Antenna matching circuit should be closed to the antenna;
 Keep the RF traces as 50Ω;
 The RF traces should be kept far away from the high frequency signals and strong disturbing source.
Quectel
Confidential

Quectel BC68 Specifications

General

Brand	Quectel
Model	BC68
Category	Control Unit
Language	English