Product Info

LTE Standard Module Series
EC25 Series Hardware Design
EC25_Series_Hardware_Design 78 / 134
Table 29: GNSS Frequency
A reference design of GNSS antenna is shown as below.
GNSS
Antenna
VDD
Module
ANT_GNSS
47nH
10R
0.1 μF
0R
NM NM
100 pF
Figure 38: Reference Circuit of GNSS Antenna
1. An external LDO can be selected to supply power according to the active antenna requirement.
2. If the module is designed with a passive antenna, then the VDD circuit is not needed.
Type
Frequency
Unit
GPS
1575.42 ±1.023
MHz
GLONASS
1597.5–1605.8
MHz
Galileo
1575.42 ±2.046
MHz
BeiDou (Compass)
1561.098 ±2.046
MHz
QZSS
1575.42
MHz
NOTES