Bluetooth Antenna Interface - SimCom SIM800 Hardware Design

Table 34: Recommendation of ESD component
package
0201
0402

4.20.2. Bluetooth Antenna Interface

The module provides a Bluetooth antenna interface named BT_ANT to connect a Bluetooth antenna.
The Bluetooth antenna must be matched properly to achieve best performance, so the matching circuit is
necessary, the connection is recommended as the following figure:
Module
R201, C201, C202 are the matching circuit, the values depend on antenna debug result. Normally R201 is 0Ω,
C201 and C202 are not mounted.
SIM800_Hardware Design_V1.10
model
LXES03AAA1-154
LXES15AAA1-153
BT_ANT
(Pin 53)
GND
(Pin 54)
Figure 48: Bluetooth antenna matching circuit
50
Smart Machine Smart Decision
supplier
MuRata
MuRata
R201
C201
C202
BT
Antenna
2018-08-13