Quectel EC25 series

Accuracy
(GNSS)
1. Tracki
n
on pos
i
2. Reacq
u
fix posi
3. Cold s
t
positio
n
4.3. Lay
o
The followi
n
 Maxim
i
 Digital
should
 Use g
r
isolatio
 Keep
5
Refer to
C
h
NOTES
E
H
o
@
C
E
n
g sensitivit
y
i
tioning for
3
u
isition sen
s
tion again
w
t
art sensitiv
i
n
within 3 m
o
ut Gui
d
n
g layout gu
i
ze the dist
a
circuits suc
h
be kept aw
a
r
ound vias
a
n and prote
c
5
0ohm char
a
h
apter 5 for
E
C25-A_U
s
o
t start
@
open sky
E
P-50
y
: the lowes
t
3
minutes.
s
itivity: the l
o
w
ithin 3 min
u
i
ty: the low
e
inutes after
d
eline
ideline sho
u
a
nce betwe
e
h
as USIM
c
a
y from the
a
round the
c
tion.
a
cteristic im
p
GNSS refe
r
s
e
r
_Manual
C
t
GPS sign
a
o
west GPS
u
tes after lo
s
e
st GPS si
g
executing
c
u
ld be taken
e
n the GNS
S
c
ard, USB i
antenna.
GNSS trac
e
p
edance fo
r
r
ence desig
n
C
onfidenti
a
Autonomo
u
XTRA ena
b
Autonomo
u
@open sk
y
a
l value at t
h
signal valu
e
s
s of lock.
g
nal value
a
c
old start co
m
into accou
n
S
antenna, t
h
nterface, C
a
e
and sen
s
r
the ANT_G
N
n
and anten
n
a
l / Release
u
s
b
led
u
s
y
h
e antenna
e
at the ant
e
a
t the anten
m
mand.
n
t in your d
e
h
e main ant
a
mera mod
u
s
itive analo
g
N
SS trace.
n
a consider
a
d 46 /
6
TBD
TBD
TBD
port for whi
c
e
nna port f
o
na port for
e
sign.
enna and t
h
u
le, Display
g
signal tra
c
a
tion.
L
EC25-AU
6
9
c
h the mod
u
o
r which the
which the
m
h
e Rx-diver
s
connector
a
c
es to prov
i
L
TE Modul
e
ser Manu
a
s
s
m
u
le can kee
p
module ca
n
m
odule fixe
s
s
ity antenna
.
a
nd SD car
d
de coplana
e
a
l
p
n
s
.
d
r