
LTE-A Module Series
EM160R-GL_Hardware_Design 46 / 73
The following figure shows a reference circuit of these four pins.
Host
EM160R-GL
CONFIG_0
CONFIG_1
CONFIG_2
CONFIG_3
GPIO
GPIO
GPIO
GPIO
21
69
75
1
VCC_IO_HOST
R1
100K
R2
100K
R3
100K
R4
100K
0
Ω
NM-0
Ω
NM-0
Ω
0
Ω
Note:
The voltage level VCC_IO_HOST depends on the host side, and could be a 1.8 V or 3.3 V
voltage level.
Figure 21: Recommended Circuit of EM160R-GL Configuration Pins
Table 26: Configuration Pins List of M.2 Specification
CONFIG_0
(Pin 21)
CONFIG_1
(Pin 69)
CONFIG_2
(Pin 75)
CONFIG_3
(Pin 1)
Module Type and
Main Host Interface
Port Configuration
GND
GND
NC
NC
WWAN-PCIe,
USB 3.1
2
(Quectel defined)