Grfc Interfaces - Quectel EG915U-EU Manual

5.1.5. GRFC Interfaces*
The module provides two generic RF control interfaces for the control of external antenna tuners.
Table 28: Pin Definition of GRFC Interfaces
Pin Name
GRFC1
GRFC2
Table 29: Logic Levels of GRFC Interfaces
Parameter
V
OL
V
OH
Table 30: Truth Table of GRFC Interfaces
GRFC1 Level GRFC2 Level
Low Low
Low High
High Low
High High
EG915U-EU_Hardware_Design
Pin No. I/O
76 DO
77 DO
Min.
0
1.35
Frequency Range (MHz)
TBD
TBD
TBD
TBD
Description
Generic RF Controller
Max.
0.45
1.8
Band
TBD
TBD
TBD
TBD
LTE Standard Module Series
Comment
1.8 V power domain.
If unused, keep this
pin open.
Unit
V
V
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