GPS03 Datasheet, PDF (3/12 Pages) –

BLOCK DIAGRAM
RFIN
XN203
LNA
GPS RF
Front END
SAW
GPS BaseBand
TCXO
1.2V LDO
RTC Xtal
GPS03
RXD0
TXD0
GPIO0
3.3V
V_Bat
Module block schematic
ANTENNA
The GPS03 module is designed to work active antenna. Recommended active antenna should have gain of
20 ~ 30dB and noise figure less than 1.2dB.
PIN Assignment
1
2
GND
RF
3 _GND
4 _GND
5 _GND
6 _GND
7 _VIN
GND ¹³
GND ¹²
XN934C
RXD0 ¹¹
TXD0 ¹⁰
GPIO0 ⁹
V_Bat ⁸
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