5G Module Series
RMU500-EKNM_EVB_Kit_User_Guide 18 / 30
Table 6: Description of Status Indicator LEDs
3.6. RF Cables and Antennas
3.6.1. Antenna Design
The following figure is a typical reference design for antennas of the EVB kit.
ANT
R1
0 R
C1
NM
C2
NM
Module
Figure 11: Reference Design for Antennas
The matching circuit is composed of C1, C2 and R1 for antenna impedance modification. The value of R1
is 0
Ω, while C1 and C2 are not mounted by default.
Reference Designator
Description
D104 (POWER_LED)
Power indicator, indicating whether the
module’s power supply is ready.
Light on: power on
Light off: power off
D107 (WWAN_LED)
RF status indicator for the module.
Light on: RF function is enabled
Light off: RF function is disabled
