
LTE-A Module Series
EM160R-GL_Hardware_Design 41 / 73
Module
LED_WWAN #
PMU
10
VCC (Typ. 3.7V)
R1
330
Ω
LED1
2, 4
70,72,74
VCC
Figure 18: Reference Design of WWAN_LED#
Table 18: RF Status Indications of WWAN_LED#
RF function is turned off if any of the following circumstances occurs:
⚫
The (U)SIM card is not working.
⚫
W_DISABLE1# is at low level (airplane mode enabled).
WWAN_LED# Level
LED
RF Status
Low Level
On
On
High Level
Off
Off
NOTE