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Table 24: P
Pin Definitio
on of GNSS
Pin Name
Pi
n No.
ANT_GNS
SS
47
7
Table 25: G
GNSS Frequ
uency
Type
GPS/Galile
eo/QZSS
GLONASS
S
BeiDou
The referen
nce design o
of GNSS ant
NOTES
1.
You can
n choose an
n external LD
2.
If you d
design the m
modulewith p
EC25-A_Us
E
All manuals and user guides at all-guides.com
S Antenna
I/O
O
De
escription
AI
A
GN
NSS antenn
F
requency
15
575.42±1.02
23
15
597.5~1605
5.8
15
561.098 ± 2
2.046
tenna is sho
wn as below
VDD
GNSS
Antenna
10R
47nH
100 pF
NM
Figure
28: Refere
nce Circuit
DO to supply
y power acc
passive ante
enna, the VD
ser_ManualC
Confidentia
a
Unit
MHz
MHz
MHz
w.
0.1uF
Module
AN
NT_GNSS
NM
of GNSS A
Antenna
cording to th
e active ant
DD circuit is
not needed
al / Release
d
49 / 6
LTE Module
L
EC25-AU
ser Manua
Com
mment
50o
ohmimpedan
nce
tenna.
.
69
e
al
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