Quectel EG915U-EU - GRFC Interfaces

LTE Standard Module Series
EG915U-EU_Hardware_Design 57 / 81
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
Table 29: Logic Levels of GRFC Interfaces
Table 30: Truth Table of GRFC Interfaces
Pin Name
Pin No.
I/O
Description
Comment
GRFC1
76
DO
Generic RF Controller
1.8 V power domain.
If unused, keep this
pin open.
GRFC2
77
DO
Parameter
Min.
Max.
Unit
V
OL
0
0.45
V
V
OH
1.35
1.8
V
GRFC1 Level
GRFC2 Level
Frequency Range (MHz)
Band
Low
Low
TBD
TBD
Low
High
TBD
TBD
High
Low
TBD
TBD
High
High
TBD
TBD