Gnss Antenna Interface; Pin Definition; Gnss Operating Frequency; Reference Design Of Gnss Antenna Interface - Quectel BG772A-GL Hardware Design

5.2. GNSS Antenna Interface

The following tables show the pin definition and frequency specification of GNSS antenna interface.

5.2.1. Pin Definition

Table 29: Pin Definition of GNSS Antenna Interface
Pin Name Pin No.
ANT_GNSS 32

5.2.2. GNSS Operating Frequency

Operating
Table 30: GNSS
Type
GPS
GLONASS

5.2.3. Reference Design of GNSS Antenna Interface

A reference design of GNSS antenna interface is shown as below.
BG772A-GL_Hardware_Design
I/O Description
AI GNSS antenna interface
Frequency
Frequency
1575.42 ±1.023
1597.5–1605.8
Figure 23: Reference Circuit of GNSS Antenna Interface
LPWA Module Series
BG772A-GL Hardware Design
Comment
50 Ω impedance
Unit
MHz
MHz
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