Quectel EC200U Series Hardware Design page 67

ANT_GNSS 47
Table 38: GNSS Frequency
Type
GPS
GLONASS
Galileo
BeiDou (Compass)
QZSS
A reference design of GNSS antenna is shown as below:
NOTE
1. An external LDO can be selected to supply power according to the active antenna requirement.
2. The VDD circuit is not needed if you select a passive antenna.
EC200U_Series_Hardware_Design
AI
Frequency
1575.42 ± 1.023
–
1597.5 1605.8
1575.42 ± 2.046
1561.098 ± 2.046
1575.42
Module
ANT_GNSS
NM
Figure 30: Reference Circuit of GNSS Antenna
GNSS antenna interface
VDD
0.1 uF
10R
47 nH
100 pF
0R
NM
LTE Standard Module Series
50 Ω impedance.
If unused, keep it open.
Unit
MHz
MHz
MHz
MHz
MHz
GNSS
Antenna
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