Quectel EC25 series

5
A
EC25 ante
n
signals ca
u
interface h
a
5.1. Mai
n
5.1.1. Pi
The main a
n
Table 22:
P
Pin Name
ANT_MAI
N
ANT_DIV
5.1.2. O
p
Table 23:
T
3GPP Ban
d
B2 (1900)
B4
B5 (850)
B12
E
A
nte
n
n
na interfac
e
u
sed by hig
a
s an imped
a
n
/Rx-div
n Definiti
o
n
tenna and
P
in Definiti
o
Pi
N
4
9
3
5
p
erating
F
T
he Module
d
E
C25-A_U
s
n
na I
n
e
includes a
h speed m
a
nce of 50o
ersityA
n
o
n
Rx-diversit
y
o
n of the R
F
n No.
9
5
F
requenc
y
Operating
Tra
n
185
0
171
0
824
~
699
~
s
e
r
_Manual
C
n
terf
a
main ante
n
ovement a
n
hm.
n
tenna I
n
y
antenna pi
n
F
Antenna
I/O
IO
AI
y
Frequenci
e
n
smit
0
~ 1910
0
~ 1755
~
849
~
716
C
onfidenti
a
a
ce
n
na,anRx-di
v
n
d multipat
h
n
terface
n
s definition
Descripti
o
Main ante
n
Receive di
e
s
a
l / Release
v
ersity ante
n
h
effect, an
are shown
o
n
n
na
versityante
n
Receive
1930 ~ 1
2110 ~
2
869 ~ 8
9
729 ~ 7
4
d 47 /
6
n
na which i
s
d a GNSS
below.
n
na
990
2
155
9
4
4
6
L
EC25-AU
6
9
s
used tore
s
antenna.
T
Comment
50ohmimp
50ohm im
p
U
M
M
M
M
L
TE Modul
e
ser Manu
a
s
ist the fall
o
T
he antenn
a
edance
p
edance
U
nit
M
Hz
M
Hz
M
Hz
M
Hz
e
a
l
o
f
a