SIM Tech SIMCom SIM800 User Manual

Smart Machine Smart Decision
SIM800_Hardware Design_V1.09 50 2016-06-30
package
model
supplier
0201
LXES03AAA1-154
MuRata
0402
LXES15AAA1-153
MuRata
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
BT_ANT
(Pin 53)
GND
(Pin 54)
R201
C201
C202
BT
Antenna
Figure 48: Bluetooth antenna matching circuit
R201, C201, C202 are the matching circuit, the values depend on antenna debug result. Normally R201 is 0Ω,
C201 and C202 are not mounted.

SIM Tech SIMCom SIM800 Specifications

General

Brand	SIM Tech
Model	SIMCom SIM800
Category	Control Unit
Language	English