Gnss Antenna Interface - Quectel SC66 Hardware Design

ANT_WIFI_MIMO
Module
Figure 42: Reference Circuit Design for Wi-Fi MINO Antenna Interface

6.3. GNSS Antenna Interface

Table 43: Pin Definition of GNSS Antenna
Pin Name Pin No.
ANT_GNSS 134
GNSS_PPS_OUT 202
Table 44: GNSS Frequency
Type Frequency
GPS 1575.42±1.023
GLONASS 1597.5~1605.8
BeiDou 1561.098±2.046
SC66_Hardware_Design
R2 0R
C3
NM
I/O Description
AI GNSS antenna Interface
DO LNA enable control
Smart LTE Module Series
SC66 Hardware Design
C4
NM
Comment
50Ω impedance
For test purpose only.
If unused, keep it open.
Cannot be pulled up.
Unit
MHz
MHz
MHz
103 / 139